Split string at index python. If it is not possible - i.

Split string at index python Dec 31, 2024 · In this article, we'll look at different ways to split and parse strings in Python. Feb 17, 2010 · What is the pythonic way to split a string before the occurrences of a given set of characters? For example, I want to split 'TheLongAndWindingRoad' at any occurrence of an uppercase letter (poss Jun 13, 2014 · I am learning Python, and am trying to learn data. This method replaces occurrences of a specified substring with Dec 30, 2024 · The re. The only explicit, non-example mention of empty strings in the result is that captured separators at the start or end will be accompanied by an empty string to ensure consistency for relative indexing. split(), but there is no option for me to separate the words after the index. When using negative index numbers, we’ll start with the lower number first as it occurs earlier in the string. TLDR. [GFGTABS] Python a = "Hell The example given here doesn't really illustrate the problem. Split a string into pieces by length in python. out. slice only return extracted part of the string. Oct 28, 2024 · String slicing in Python is a way to get specific parts of a string by using start, end, and step values. split() in how it handles empty strings. Then you iterate and slice between two adjacent indexes: Jul 1, 2016 · Since you are on Python 3, it is easy. Introduction to the Python string split() method Sep 28, 2021 · To split a Python string in half you can use the fact that a Python string is made of multiple characters where every character has an index. May 8, 2013 · Built in methods seem to perform the split but only return one part of the split. split(var_1, 1)[1] start1 = x_1. >>> a = b'asdf\nasdf' >>> a. We will cover: Essentials of split() with simple examples Advanced usage with CSV, JSON strings Visual diagram […] A string variable can be split into a list by using the split function (it can contain similar values, set is for the assignment). " string_bigrams = Feb 21, 2017 · It seems to simply be the way it's supposed to work, according to the documentation:. When I know that c is in s, I would use partition for small strings and index for long strings. split() must function exactly like str. If you use the len() function you will get back the number of characters in a string: Aug 27, 2024 · The . Series(list(s)) # Use pandas groupby to Aug 28, 2023 · Understanding Python’s String and List Data Types. Something like: idx val1 val2 val3 con-991-1 1 1 1 con-991-2 1 0 1 con-732 0 0 0 con-5 Summary: in this tutorial, you’ll learn how to use the Python String split() method to split a string into a list of substrings. Before delving deeper into the Python’s split() function, it’s crucial to understand the fundamental data types involved – the string and list data types. index(var_2) print start1 x_1 is the string after the split, with y being the initial string I need to split. Oct 4, 2024 · In this tutorial, I will walk you through different methods to split a string by index in Python with complete code and examples. delimiter fruits = sample_string. Splitting strings in python based on index. split() Function Oct 16, 2017 · I know that the find. If you prefix the string with r, you will get the intended result. Mar 3, 2015 · I want to split a string into pieces and want to get additional the (starting) positions of the splitted pieces of the string. In Python, a string is a derived immutable data type—once defined, it cannot be altered. Use re. You need to add a checking for an empty index list. my_str. python string splitting with multiple splitting points. split() method splits the given string by a specified separator, into a list of values. The index() method is almost the same as the find() method, the only difference is that the find() method returns -1 if the value is not found. Split a List into Sub-Lists Based on Index Ranges in Python. split('@') print "Email User" + emailuser print "Email Domain" + domain except ValueError: emailuser = row[0] print "Email User Only" + emailuser O/P: Email User : abc Email Domain : gmail. for loop, split string, save parts of string to new list, IndexError: list index out of range - works for one part of string and not the other 0 Python split OR loop OR str function running outofIndex dealing with big list - works okay with shorter list Feb 20, 2024 · In this article, we will see how we can split list into sub-lists based on index ranges in Python. split() call extracts the words in the sentence and discards any whitespace. replace() Method. Python has a built-in string module that has a string of punctuations as an attribute (string. Split and use Oct 2, 2014 · I want to split the row index strings of a DataFrame and sum rows of equals slices. In Python, a string is a sequence of characters enclosed in single quotes, double quotes, or triple quotes. I made this code and do not know why it will not work, I get an incompletely read list whenever I do it for any index. com Email User Only : usernameonly Jan 23, 2018 · split a string at a certain index. 590 389182. start()] r = s[pos. String myString = "a long sentence that repeats itself = 1 and = 2 and = 3 again" String removeFromThisPart = " and" myString = myString . The general syntax for the . how to split a string in python. com Email User : xyz Email Domain : gmail. Oct 26, 2011 · import fileinput for line in fileinput. It does this by splitting the string into two parts: before and after the index. Feb 5, 2009 · str. substring(0, myString . a=' '. I want to split a string by a list of indices, where the split segments begin with one index and end before the next one. Mar 31, 2023 · The items get split into 3 strings and 2 strings wherefrom the above it takes Cheese as 0th the string, Curd as 1st string, Butter and Milk as 2nd string. *from \S+$. split solution that works without regex. replace() Split a string on punctuation marks in Python; Split a string into words and punctuation in Python # Split a string by one or more spaces in Python. split([sep[, maxsplit]]). s. . find_all() which can return all found indexes (not only the first from the beginning or the first from the end). split("_") you can combine whatever strings you want using join, in this case using the first two words. If you needed the data represented as python native objects (i. py t. Using find() to check the index of a substring. map() on the numbers list to convert the numbers from strings to numbers. I know . txt per 6 days ago · The insert_char function inserts a character into a string at a specified index. substring does what I need but only returns the substring string. In Python, you can split strings with multiple delimiters using different methods, Let us see all the important methods. split(" - ") ['this', 'also', 'works'] Split by whitespace. Just index each item 6 days ago · Remove Spaces from String in Python. lastIndexOf( removeFromThisPart )); System. If it is not possible - i. split method, to limit the number of splits. Dec 5, 2012 · Split string in python. Jul 4, 2021 · The easiest way is probably just to split on your target word. Something along the lines of: indexes = [5, 12, 17] list = range(20) output = [] prev = 0 for index in indexes: output. Feb 24, 2021 · I need to iterate through a list and for each element in that list, create two sublists: a sublist of the 2 elements before my current element, and a sublist of the 2 elements after. split(',') # Parse the list and print each element for item in res The split() method splits a string into a list. 611 389182. Here's how we can split the elements at the comma: Python You can split a string by backslash using a. Mar 7, 2012 · I would think there's a fair chance of it being more efficient than a plain old split as well (depending on the input data) since you'd need to perform the second split operation on every string output from the first split, which doesn't seem likely to be efficient for either memory or time. The most naïve solution would look like. Series. Tested using timeit on: Apr 11, 2011 · this works too. rpartition() instead:. append(character) Oct 7, 2024 · Learn effective techniques to split strings in Python, including handling multiple delimiters, splitting by line breaks, and advanced splitting with regular expressions. split(pattern, 1)[0] where string is your original string, pattern is your "break" pattern, 1 indicates to split no more than 1 time, and [0] means take the first element returned by split. println(myString); To split a String in Python using delimiter, you can use string split() method. I have created biki. By breaking strings into useful segments, it enables powerful workflows for processing, analyzing, and transforming textual data. split() method looks something like the following: string. Read How to Insert a Python Variable into a String? Method 1. a=name. split() method without an argument to split a string by one or more spaces, e. This method divides a string into a list based on a delimiter. str. In this comprehensive guide, we go very deep into all aspects of split() with code examples for beginners and experienced Python programmers alike. Apr 17, 2018 · You have a few options, depending on what you want to do in the case where there is no hyphen. strip() for words in s] #can also use this instead of replace('\t') for i,sentence in enumerate(s): char=sentence[0] #get first char in each sentence if Apr 8, 2024 · Split a string into a list of words using str. replace() method is a simple way to remove all spaces from a string. It’s especially useful for text manipulation and data parsing. One way to get rid of the punctuations is to simply strip them from each word: One way to get rid of the punctuations is to simply strip them from each word: Aug 11, 2014 · I would like to split each row into new columns based on several indices: 6ABCDE0218594STRING to 6 ABCDE 021 8594 STRING This seems like it'd have been asked at least Mar 11, 2017 · The code should be as simple as : text=text. Return a list of the words in the string, using sep as the delimiter string. Try Teams for free Explore Teams I need a function that splits the string by indexes specified in indexes. Minimal Example: # Method 1: s = "split string at position" print(s[:12]) print(s[13:]) # Method 2: import re s = "split string at position" pos = re. find('ago')+3 What function can I use to split with an integer? The split() function does not work with an int. Just give split bytes parameters. If sep is not specified or is None, a different splitting algorithm is applied: runs of consecutive whitespace are regarded as a single separator, and the result will contain no empty strings at the start or end if the string has leading or Mar 1, 2021 · Then jump ahead to index A+5000 and do the same thing, searching backwards for whitespace, found at index B, so your next output is string[A, B-1] (in Python you can use s[A+1:B] to get this substring). Jun 15, 2012 · You can use str. split() method is one of Python‘s most versatile string manipulation tools. – Apr 11, 2019 · 1. split with maxsplit = 1) fail to complete in a reasonable time, given string. find() The find() method searches for the first occurrence of the specified substring and returns its starting index. I''ve used this code to separate (or split) the string using the "mg" as a guide (to make it more usable with different set of strings), but it only prints the rest of the string after "mg". Apr 5, 2023 · Method #4: Using rfind() and slicing. rpartition(',') str. index() function and string slicing will work fine. Hope this helps! Oct 23, 2015 · In all likelihood it is because not all lines in sites match your expected format of . Be Feb 28, 2012 · Examples: >>> split_string_into_groups("HelloWorld", 3) ['Hel', 'loW', 'orl', 'd'] >>> split_string_into_groups("Python", 2) ['Py', 'th', 'on'] """ # Check if `n` is a positive integer if n <= 0: raise ValueError("The group size must be a positive integer") # Convert the string to a pandas Series s = pd. split() I suppose a function could do this: Feb 14, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. The str. 567 389182. For example: splitat = test. String or regular expression to split on. join(a[:2]) c="_". Below are some of the ways by which we can split a list into sub-lists based on index ranges in Python: Using list comprehension; Using the append() function and slicing; Using Itertools The first thing to notice is that this showcases the immutability of strings in Python: subsequent calls to . Mar 19, 2014 · If I have a string and I want to split it at '. 4. txt file opened 389182. If maxsplit is given, at most maxsplit splits are done (thus, the list will have at most maxsplit+1 elements). g. Is there a way to take a string that is 4*x characters long, and cut it into 4 strings, each x characters long, without knowing the length of the string? For example: &gt;&gt;&gt;x = "qwertyui" & Jul 30, 2010 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. So, start1 is the index location I want to locate within the split string. This function takes a string Aug 26, 2009 · I want to split a semicolon separated string so that I can store each individual string to be used as text between XML tags using Python. split(). split('\n') #Split each sentence (@ '\n') #s=[words. So instead I count the occurrences of the sep argument assuming that if I were to split, the length of the resulting list would be one more than the number of separators. Python: Splitting a string, split by variable. Imagine you are working on a project where you need to process a list of addresses from New York City. You can split by a longer pattern: >>> string = "this - also - works" >>> string. The start index can be fetched by accessing the index from the list containing indices using the for loop iterator variable as : “index[i]“, and the stop index is the next value of the indices list given by “index[i+1]” index value in the list. string. The string splits at this specified separat Possible Duplicate: Python program to split a list into two lists with alternating elements Problem Given a list like this: list1 = [blah, 3, haha, 2, pointer, 1, abcd, fire] I expect to get this The index() method finds the first occurrence of the specified value. append(list[prev:index]) prev = index output. Find the index of the last occurrence of the delimiter in the test string using rfind(). This is an answer for Python split() without removing the delimiter, so not exactly what the original post asks but the other question was closed as a duplicate for this one. Nov 26, 2024 · In Python, we can use the function split() to split a string and join() to join a string. Normally I would do something like: import nltk from nltk import bigrams string = "I really like python, it's pretty awesome. 0. Asking for help, clarification, or responding to other answers. In this example, split on "world" and limit it to only one split. pythonic way to split string into variable length chunks? 1. Single quotations (''), double Oct 2, 2012 · For Strings. The split() method is the most common way to split a string into a list in Python. Let us see some important methods to remove spaces from a string in Python. join(string. 1) Using the Python string index() method to find the position of a substring in a string. This method splits a string into substrings based on a delimiter and returns a list of these substrings. ascii_lowercase). split() method accepts two arguments. var_1 is the location I want to split y at and var_2 is where in x_1 I want to index at. The index() method raises an exception if the value is not found. Here we are using the Python String split () function to split different Strings into a list, separated by different characters in each case. For instance: The . The first is called the separator and it determines which character is used to split the string. PEP 3132 introduced a welcome simplification of the syntax when assigning to tuples - Extended iterable unpacking. ; If the delimiter is found, split the test string into two parts using slicing, where the first part is the substring before the delimiter and the second part is the substring after the delimiter. Let’s take some examples of using the index() method. Each address string needs to be split into segments of 5 characters for a specific data processing task. Use . The second—and the main—thing you should see is that the bare . This method is helpful when we need to split a string into multiple parts based on complex patterns rather tha Python Split string in a certain length. To change the strings, we can utilize Python functions like split, join, and replace. One of the simplest ways to split a string into characters is by using the built-in list() function in Python. In this tutorial, we shall learn about the syntax of string split() method, and how to use this method to split a given string into a list of values, with well detailed example The short answer, as @THC4K points out in a comment: string. The . The string value looks like this: 08-26-2009;08-27-2009;08-29-2009 They are just dates stored as string values Mar 7, 2019 · You can use a list comprehension that will mimic unpacking: lst = ['apple orange', 'banana', 'grape'] new_lst = [w for s in lst for w in s. IMO they seek a general copy-pasteable snippet and do not have your specific issue (since they start from scratch). W3Schools offers free online tutorials, references and exercises in all the major languages of the web. split method of regular expressions has the same argument as the built-in string . I'm wondering whether there is something like string. Let’s take a quick example of string slicing: [GFGTABS] Python s = "Hello, Python!" # Slice string from index 0 to index Apr 4, 2023 · Let's now learn how to split a string into a list in Python. Jun 27, 2021 · However the "mg"-part will almost never change and will always be a number (not really an integer or float as it's in a string). append(list[indexes[-1]:]) print output produces Apr 28, 2015 · @AplusKminus, I'm answering new visitors who google "python camel case split" and land here. 46. rsplit() lets you specify how many times to split, while str. This is the string on which you call the . May 25, 2015 · I want to split a string on whitespaces (default behavior), but I want it to split it only once - I. There are various methods to split string every n characters in Python with examples. 13 (Jupyter Notebook). Python has string. split(',') on both strings and list. I want it to return an array with 2 items at most. replace('\t','') #for cases with '\t' etc s=text. 2. Oct 31, 2024 · Python Split String Every N Characters. join(a[2:]) maybe you can write a small function that takes as argument the number of words (n) after which you want to split Jan 30, 2025 · Split a String into Characters in Python. split(',') # Parse the list and print each element for item in res Oct 5, 2010 · †The recursion answers (string. txt"): line=line. rsplit(separator, maxsplit) Parameters: separator: The is a delimiter. You can specify the separator, default separator is any whitespace. : first starting index (0), first ending index (0+1, because in python indexing is including start index and excluding stop index), then second start index (2), then second stop index (5+1), and a trailing additional index which is the length of the string Sep 2, 2015 · There is no reason to convert to string. start():] print(l) print(r) # OUTPUT Dec 8, 2022 · Slice the given string using appropriate start and stop index. input("emaillist. Example Jan 4, 2025 · Splitting elements of a list in Python means dividing strings inside each list item based on a delimiter. rpartition() only splits once but always returns a fixed number of elements (prefix, delimiter & postfix) and is faster for the single split case. This article will explore ways to split and join a string. Provide details and share your research! But avoid …. Share. I haven't found this function in the official documentation, but it works similar to normal Python. split() Function Sep 23, 2016 · x_1 = y. () function gives the position of a word, and I want to use this position to tell Python where to split it. There is another function, reverse split, which is defined as rsplit() in Python, which returns the list of string in reverse order, which means it starts from the end of the string and Apr 19, 2017 · I have this data frame: index 0 idxaa1cx1 some_text idxbb2cx2 some_text idxcc3cx3 some_text I want to split the index into a multi index like so: idx_1 idx_2 0 Aug 3, 2009 · But this is a crappy solution. Hot Network 6 days ago · Split Strings with Multiple Delimiters in Python. str[-1] takes the last element of each list in the Series. Ask Question Asked 9 years, 9 months ago. Use the List() Function. result = [] for character in string: result. Example: s = 'long string that I want to split up' indices = [0,5,12,17] parts = [s[index:] for index in indices] for part in parts: print part Jun 20, 2024 · Using the list split () method is very easy, just call the split () function with a string object and pass the separator as a parameter. Read How to Split a String into Equal Parts in Python? 1. Again, no splitting is done when the delimiter does not appear: Again, no splitting is done when the delimiter does not appear: Oct 20, 2021 · Why you should NOT use split("\n"). Nov 18, 2024 · A sequence of characters is called a string. Nov 19, 2024 · In this article, we will explore some simple and commonly used methods to find the index of a substring in Python. k - the range you need to split, example = 3. split() takes a string on which to split input. Read How to Convert Hexadecimal String to Integer in Python? Method 1. This function can be used to split strings between characters. split('=') newlin = line[1] Aug 17, 2021 · A Quick Guide to Using split() The Python standard library comes with a function for splitting strings: the split() function. Mar 19, 2018 · The split method for strings only takes a parameter for the delimiter, but how do I easily split by every (or every other, etc) letter? This method works to split by every letter, but seems clumsy for a simple task. search('at', s) l = s[:pos. I then use that sep to join the strings then split. e. 631 389182. – Aug 4, 2023 · One of the most common operations in Python is splitting strings into lists based on a specified delimiter. 6 days ago · Split Strings with Multiple Delimiters in Python. Wrong indexes must be ignored. split() method for splitting a string into a list. split()] print(new_lst here is a simple function to seperate multiple words and numbers from a string of any length, the re method only seperates first two words and numbers. 18'-6") and I want to split it so that the values of the feet and inches are separated. Splitting an empty string with a specified separator returns ['']. Jul 27, 2016 · I want to split the a column into two columns, the first three characters in column "b", the rest in column "c" a b c 0 sea001 sea 001 1 seac002 sea c002 I want to use df. split(delimiter Jan 7, 2025 · Python String rsplit() method returns a list of strings after breaking the given string from the right side by the specified separator. for word in line. Dec 22, 2024 · The split() method is one of the most commonly used string manipulation functions in Python. In your example the interval list in my format looks like lst = [0, 1, 2, 6, 9], i. It is part of the re-module, which provides support for working with regular expressions. If the substring is not found, it returns -1. May 29, 2014 · I don't know the whole story. Initialize the test string and the delimiter. b="_". (See example below) Nowhere in the Python documentation does it say that re. str[0] would take the first character of each string, and foo. split() work on the original string, not on the list result of the first call to . if for specif Dec 6, 2016 · I first need to split up my nucleotide string into a list of three pairs, but I have to give my function a reading_frame parameter that either starts reading the string at index 1, 2, or 3. I can do this with the following code: str_ = ' d A7 g7' Jun 27, 2012 · you probably have empty line(s) after your data, I ran your test code without them it worked as expected. 654 Dec 29, 2024 · In this article, we'll look at different ways to split and parse strings in Python. Let's understand this with the help of a basic example: [GFGTABS] Python s = "geeks,for,geeks" # Split the string by commas res = s. I'm looking for a way to split a text into n-grams. Oct 28, 2022 · Summary: You can split a given string at a specific position/index using Python’s string – slicing syntax. so that you can actually use it like a list), you'll need to use some combination of string[1:-1]. Python has multiple methods for defining strings. Split strings with strings, bytes with bytes. split (pat = None, *, n =-1, expand = False, regex = None) [source] # Split strings around given separator/delimiter. Improve this answer. The reason this is not working in your case is that \x in your assignment a = "1\2\3\4" is interpreted as an octal number. Let us see some important methods to split strings into characters in Python. find() and string. How to Split a String into a List Using the split() Method. Parameters: pat str or compiled regex, optional. Python string index() method examples. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Here is a simple . These functions allow us to easily break a string into smaller parts and then reassemble those parts into a new string. By avoiding the need to compute indices and then slice a list using them, you could process a generator that provides the values one at a time, avoiding memory issues if your inputs are huge. This (below) will not only work but also report the offending lines - sites = [ "Your friend Nicky, from DC, thought you'd like this product from WorldStores", "Your friend Denise Holder thought you'd like this product from Bedroom Furniture World", "Your friend Eric thought you'd like this Dec 1, 2014 · the following statement will split name into a list of strings. Then, it combines these parts with the character in between. split python list given the index start-1. \n in Python represents a Unix line-break (ASCII decimal code 10), independently of the OS where you run it. Use the str. index('-')] This is a little bit faster than splitting and discarding the second part because it doesn't need to create a second string instance that you don't need. If not specified, split on We can consider the string not having '@' symbol, as a simple username: try: (emailuser, domain) = row[0]. 9. A string has character indices, not word indices. The split() function takes two parameters. ': When you pass no parameter to Python's split method, the documentation states: "runs of consecutive whitespace are regarded as a single separator, and the result will contain no empty strings at the start or end if the string has leading or trailing whitespace". First you complete the list of indexes to include 0 and the beginning and the length of the phrase at the end. strip() #strip all whitespace : for cases ending with '\n' or having two '\n' together text=text. Python String rsplit() Method Syntax: Syntax: str. str[-1] would take the last. Apr 27, 2015 · String split in python. But since str also works (partially) on lists too, temp2. I have a strings in the format of feet'-inches" (i. Using str. split() method. Splits the string in the Series/Index from the beginning, at the specified delimiter string. a. If you use split without giving any arguments, then the string will be split by any whitespace characters, such as spaces and tabs: >>> string = "this is a\tstring" >>> string. A string, after all, is a sequence of characters, similar to a list. split() ['this', 'is', 'a Sep 8, 2022 · You use the . split() method in Python is used to split a string by a pattern (using regular expressions). Either select the last item from the split via [-1], or use a ternary statement to apply alternative logic. If you import the right library, I think, you have another method: Jun 12, 2013 · Is there a Python-way to split a string after the nth occurrence of a given delimiter? Given a string: '20_231_myString_234' It should be split into (with the delimiter being '_', after its second. Dec 15, 2021 · You can also use negative index numbers to slice a string. As we went through before, negative index numbers of a string start at -1, and count down from there until we reach the beginning of the string. split() Method is the easy and most straightforward method to split each element is by using the split() method. ' which is not contained within brackets, how would I do it. String Data Type. Jan 25, 2014 · I can split all strings at index 0 of all sublists with the below, but I can't figure out how I would duplicate the whole list for each split element and then replace the strings that were split with the split element, so that each split element had its own list. The problem in the example could be tackled by splitting the string into words, inserting into the list, and joining the list back into a string; but the question that was asked specifically describes figuring out a position in a string and directly inserting into the string. Feb 12, 2011 · The task boils down to iterating over characters of the string and collecting them into a list. I found the following in another StackOverflow question (link here), discussing appending a file in Python. split(separator, maxsplit) Let's break it down: string is the string you want to split. Split string in python. In the past, if assigning to variables in a tuple, the number of items on the left of the assignment must be exactly equal to that on the right. My code: def split_by_index(s: str, indexes: List[int]) ->; List[str]: parts = [s[i:j] Mar 12, 2021 · You can do it by slicing. Feb 14, 2019 · I have benchmarked these various technics under Python 3. rsplit() or . groupby to both segment by dates and their associated events in a single pass. Follow May 25, 2001 · So if you had a string Series foo then foo. rfind() to get the index of a substring in a string. substr very similar - still only returns the substring split_points - points where you will split your string or list. This guide provides valuable tips and tricks for efficient string manipulation. splits speed they may work better on shorter strings, but then I can't see the use-case for short strings where memory isn't an issue anyway. punctuation). my_string="hello python world , i'm a beginner" print(my_string. I don't want to have to split the strings prematurely. split returns a list, so you have to index to get the values. Jan 15, 2018 · I have a data frame with one (string) column and I'd like to split it into two (string) columns, with one column header as 'fips' and the other 'row' My dataframe df looks like this: row 0 00000 UNITED STATES 1 01000 ALABAMA 2 01001 Autauga County, AL 3 01003 Baldwin County, AL 4 01005 Barbour County, AL Jul 1, 2017 · If you don't need the second part of the split, you could instead try searching the string for the index of the first -character and then slicing to that index: string[:string. Split and use different parts of string using index or split-function. list() will work but I also must say this. The following example shows how to use the index() method to find the substring 'Python' in the string 'Python will, Python will rock you. rsplit(',', 1) s. split("world",1)[1]) split takes the word (or character) to split on and optionally a limit to the number of splits. split(b'\n') [b'asdf', b'asdf'] Also, since you're splitting on newlines, you could slightly simplify that by using splitlines() (available for both str and bytes): Jan 1, 2016 · You don't need to perform a two-pass grouping at all, because you can use itertools. Using split creates very confusing bugs when sharing files across operating systems. split only allows you to split on character not index string. split('\\'). rstrip('\n\r ') line= line. To split a string by index in Python using list comprehensions and slicing, you can leverage the zip function to pair start and end indices, then slice the string accordingly. $ python t. tjuz jfgjxsy lfbi pxboc cocznr yyuyjd btvgnui numie steku zcpgyc khcvx zroic qso swlnmwiuh cvksn