Python regex capture group multiple times. sub() to find and replace items in a string.

Python regex capture group multiple times For the date part, the number of days and the month can be optional followed by matching 4 digits. Follow Python regex capture multiple groups N number of times. Groups[1]. In an unsuccessful match, the number of matches made is undefined, so probably best not to rely on that. Feb 2, 2015 · @AB in a successful match, the number of capture groups is how many matches were made. It will return only the first match for each group. Basically how the code works or should work is that findVul() goes through data1 and data2 , which has been added to the list myDATA . Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data" – Jul 12, 2012 · In most regex implementations, you can accomplish this by referencing a capture group in your regex. This regex is thus not the same as (a|b) is (a|b), which would also match "a is b". search(r'0(10)+(20)+', '0001010202020000') res = [] for i, val in enumerate(x. Oct 3, 2021 · I have the gut feeling that i need to access the eleven as if it were a list because it has so many capturing groups by eleven[0]. groups () Feb 11, 2011 · In the first example above, that regex can be matched three times. This will return {path1}{path2}{path3} If a group is contained in a part of the pattern that matched multiple times, the last match is returned. A simple way to combine all the regexes is to use the string join method: re. They capture matched patterns that you can reference later. " – Nov 8, 2011 · possible duplicate of Python regex multiple groups, Regular expression group capture with multiple matches. see related python enhancement request and related question Mar 19, 2012 · For example, [email protected] matches but only include . I'm using Python's flavor of regex. Regex: (\d\d){1,3} Input String: 123456 789101. Mar 18, 2020 · The above regular expression improves the pattern matching in the following ways: Explicitly match beginning of line ^ and end of line $ to prevent matching multiple lines. Introduction to the Python regex capturing groups. NET regex, you can access the captures themselves, not group values, to get the repeated capturing group values. com Apr 3, 2023 · When working with regular expressions in Python, we often need to access multiple matches of a single regex group. Python regular expression capture Feb 6, 2009 · If your regular expression uses the "g" flag, you can use the exec() method multiple times to find successive matches in the same string. Apr 3, 2023 · To access multiple matches of a regex group in Python, you can use the re. I want to match the last N digits in a line of text. Improve this answer. May 3, 2016 · This misleading, there is nothing like "capturing a repetated group [in multiple matches]". ){3}\d{1,3} Here is a demo It's worth noting that a repeated capture group will only store the last match that it found. 0 when capturing groups with an or operator when one branch initially matches but the regex has to eventually backtrack and use a different branch. When dealing with large sets of data, it’s often necessary to capture multiple matches of a specific pattern. You can think of text_list like this Aug 5, 2013 · If a group matches multiple times, only the last match is accessible. the string: import pandas, os, sys. Feb 10, 2018 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Oct 12, 2018 · Im learning regular expressions, specifically named capture groups. If a group matches multiple times, only the last match is accessible: >>> m = re. append((val, len(x. In this case that would be something like: \\mypath{(?:\{. search(r'(\\w+)(?:{(\\w+)})', text) parsed Feb 28, 2023 · Another option with the PyPi regex module using allcaptures() or capturesdict() and the capture groups with the same name, in this example name. I need every instance separately. – Aug 19, 2020 · This is based on the information you've given in the comments so may not be exactly what you're looking for but: There can be any number of words: 'cucumber apple tomato tomato apple cucumber tomato tomato' and the output should be 'cucumber apple (tomato) tomato apple (cucumber) tomato (tomato)' Mar 17, 2016 · String matches regex; Whole string matches regex; String contains regex; Extract capture group; Extract capture group, anywhere in string; Extract capture group, multiple times; Extract first occurrence of regex; Extract all occurrences of regex; Extract all regex matches; Replace regex in string; Replace only the first occurrence of regex Feb 9, 2017 · I'm trying to make my regex capture group only match if it matches 3 or more times. In Python, how do you capture a group within a non-capturing group? Put in another way, how do you repeat a non-capturing sub-pattern that contains a capturing group? An example of this would be to capture all of the package names on an import string. python regex capture groups. *\w*); This is the regular expression (shortened) Oct 25, 2014 · You can use a nice feature from the new regex module that allows to extract all the results from a repeated capture group. Put the regEx block in and add * or +. re. There is only the g flag and preg_match_all that executes the regexp iteratively on the remaining unmatched string. I realize this question may be considered spam, seeing as there are many questions that ask variations of this. )+", "a1b2c3") # Matches 3 times. Use a non-capturing group to match one or more words followed by a single space: (?:\S+ )+ Match non-whitespace characters with \S to capture "words" and punctuation (e. Aside from calling group() with args, the other way to work with python on this is to call groups() and capture the sub-matches (which would correctly exclude the "D. Is there a python function that would produce two matches for the string? The first by capturing A as a part of GRP1 and the second by capturing it as a part of GRP2? Jul 1, 2013 · I'm trying to match a pattern against strings that could have multiple instances of the pattern. Sep 20, 2022 · Regular expression group capture with multiple matches. I've been reading various articles on regex, including the python regular expression docs (which I've read more than once). Keeping track of groups is tricky as groups can be matched multiple times, all matches need to be recorded, and then some might need to be erased again, for example in this case: /(. This accepts 'abc123' with the capturing group as "123" but not 'abc123abc'. May 29, 2019 · Find out number of capture groups in Python regular expressions. Groups allow you to capture and extract specific parts of matched patterns. I also made the eason and art optional strings into non-capturing optional groups instead of character classes. Note: I'm not writing regex for the structure of a date because some strings have multiple dates and I only want the date in title. <—— Apr 15, 2015 · @aliteralmind: While I cannot use Java, I sincerely appreciate the effort in answering. The regex engine will continue to match the whole string because of the + quantifier, and each time, the capture group will be updated to the latest match. Apr 18, 2017 · The final capturing group in the output will be "123". compile(<regex>) compiles <regex> and returns the corresponding regular expression object. upper() May 31, 2019 · It will consists of 4 capturing groups. In this over-simplified example, I'm essentially trying to split a string: Apr 12, 2021 · Regex Capture Group Multiple Times. Mar 20, 2022 · I can do it by running multiple regular expressions - first finding the arguments within braces, and then replacing them with the empty string, and finally splitting by comma. neither worked for me. match (which searches starting explicitly at the beginning of the string), there is re. I have the following string I want to search for data. Using same named capture group multiple times in one regex. May 15, 2014 · While traditional regex engines remember and return only the last match, some advanced libs provide captures property which holds all matches for the given group. – Sep 3, 2014 · When I was trying to answer this question: regex to split %ages and values in python I noticed that I had to re-order the groups from the result of findall. Oct 11, 2011 · I'm not sure why this isn't the accepted answer - finditer is correct. Having an issue where I'm not able to figure out how to write an if/else statement for my function findVul() . 1 Capture repeated groups in python regex. So \1, entered as '\\1', references the first capture group (\d), and \2 the second captured group. Python Regex Capturing Feb 12, 2017 · For anyone who, like me, didn't understand the use of (?: this starts a "non-capturing group" (a group that is not intended to be referenced in a replace statement). :). finditer with multiple capturing groups in a pattern. g. Feb 17, 2022 · Right after is a backreference to the 2nd capture group which we match 4 times. If the issue is that you're only capturing the last value, that's because that's what you put in the capture groups. Demo Apr 14, 2021 · You are using re, but as an alternative using regex with the PyPi regex module you could use the same pattern and make use counting the captures() which gives a list of all the captures of a group. Regex Capture Group Multiple Times in Python. Matching Hex. Each time your capturing group captures another pattern, the previous content is replaced. 0. something and . If you wanted to redesign your regex to work, you would want to use . *?\})}. Python Regular Expression Named Capture Groups. May 9, 2017 · Write a loop to apply the regex multiple times, or use an xml parser. Feb 19, 2020 · You could match DOB and use a capturing group for the date part. Putting a capturing group inside another doesn't work either. group(1) returns the first capture group. tr after yasar@webmail part, so I lost . Count Oct 2, 2019 · Match non-capturing group multiple times. Viewed 7k times 1 . A Python regex capturing group extracts parts of a string that match a specified/particular pattern. Here is some data example : sampledata=X B : xyz=1 FAB1_1=03 FAB2_1=01 A : xyz=1 FAB1_1=03 FAB2_1=01 I need to capture the X which should appear one time, and FAB1_1=03, FAB2_1=01, All the strings which starts with FAB. Maybe you should capture the sequence of integers and then split it, like this: Mar 11, 2011 · +1: With your match approach, the captured content gets overwritten with each repetition of the capturing group; that's just how regexes work. To do what you want, you can use a regular expression to capture the group and then use a second regular expression to capture the repeated subgroups. Apr 6, 2021 · Python regex multiple matches occurrences between two strings. Match("aaba", "(a)+"). In your Python code, to get _bbb, you'd need to use group(1) with the first regex, and group(2) with the second regex. You could also just use parens but these will create a capturing group. \d{2} Word boundary, match 0+ times a char A-Z, 1+ digits, dot and 2 digits | Or Match a space) Close non capture group ([A-Z0-9]{2}) Capture group 1, match 2 times an alphanumeric; Regex demo | Python demo. No other dependencies could be added. Then I have a sentence like some_word A C B with random order for A, B and C. It's basically just matching a certain pattern 12 or 13 times. Match non-capturing group multiple times. You can easily match n words, but you can't capture them separately without writting each capture group explicitly. May 18, 2013 · Your current regular expression only has escaped parens, so you don't actually have any capture groups. finditer() returns an iterable of all the found match objects (wrap in list() to just iterate the whole thing). Share. Capturing groups can be defined by enclosing rules/patterns inside the parentheses. How to create multiline python See full list on pynative. (A+C)) ((A+B). Matches("aaba", "(a)"). . Jul 20, 2013 · "0 or more characters of anything" eats the rest of the string, leaving nothing for the capture group, and since it's optional, that successfully matches. So, I could capture all "FAB" like this : May 17, 2017 · However regex can't do what you're asking for. This happens no matter what pattern you try and any limitation you set simply changes when the regex will accept the string. The problem I encounter is that it seems PySpark native regex's functions (regexp_extract and regexp_replace) only allow for groups manipulation (through the $ operand). 5. The code comment is correct, while you seem to be confusing capture groups and matches. For your example, you can use the following to match the same uppercase character five times: blahblah([A-Z])\1{4} Note that to match the regex n times, you need to use \1{n-1} since one match will come from the capture group. search("(\w)*", "abcdefg"). In addition to re. compile(<regex>, flags=0) Compiles a regex into a regular expression object. Aug 3, 2018 · Is it possible to have one regex to have two capture groups, where the second capture group will capture multiple times? I want the first capture group to capture geo_locality (without hardcoding) and the second capture group to capture Seattle , San Francisco , and Chicago . search_string=""" option. Example: re. Nov 12, 2024 · Learn how to use Python regex groups and named groups for extracting specific matches. After that we match the content of the 2nd capture group once more to avoid it occur 6+ times before we close the negative lookahead; (?1) - Match the same subpattern as the 1st group; (?2)* - Match the same subpattern as the 2nd group 0+ (Greedy) times upto; Mar 16, 2011 · A good place to start is there module docs. search() returns a match object. Note that this same module allows to use duplicate named captures too. I'm having to parse a text dump of a spreadsheet. See here I think that the problem is that you are trying to use repeating capture groups as something to iterate through - like a foreach loop. The re. May 16, 2011 · Regex multiple matches in a search. But that didnt work either. Parentheses in regular expressions do two things; they group together a sequence of items in a regular expression, so that you can apply an operator to an entire sequence instead of just the last item, and they capture the contents of that group so you can extract the substring that was matched by that subexpression in the regex. finditer() or the re. In earlier examples, we used the search method. import re text = 'column{fields}' parsed = re. You need an approach like findall or split that applies the regex multiple times and collects the matches for you. To get all the matches, you'd need to use re. 2. For example, say that my pattern is ([a-z]),([a-z]),([a-z]) then a,a,a and a,b,c should match; I've looked into naming the first capturing group then referencing it in the subsequent capturing groups but this method breaks the second requirement (i. Regex to match a capturing group one or more times. ) is called non-capturing group Non-capturing parentheses group the regex so that you can apply regex operators, but do not capture anything. Example code Nov 9, 2017 · I need my match returned by regex to be just the date, what is currently group 1. Capture repeated groups in python regex. Please don't Aug 25, 2020 · Match 0 or more whitespace or non-whitespace characters, i. – Dec 15, 2016 · You cannot access each repeated capture with re regex. To capture multiple groups in a string, we use a combination of regular expression patterns and group isolation techniques. Captures. The number of digits is unspecified. I have a scenario in which I need to use a single call to Python's re. In Python, the search() method of the re module is commonly used for finding the first occurrence of a pattern in a string. i. 14. Nov 19, 2019 · I'm currently working on a regex that I want to run over a PySpark Dataframe's column. --- If you have questions or are new to Python use r/LearnPython Sep 27, 2023 · In a regex pattern, you can reference a capturing group by using a backslash followed by the group number. Ask Question X Capture group 1, match 1+ times any char except X or Y, then match X ([^XY]+) The difference is that the first regex has one capturing group which returns _bbb as its match, while the second regex has two capturing groups that return aaa and _bbb as their respective matches. This regex is built to capture only one group, but could return several matches. In the end, the capture group will be the last character. Non-capturing groups do not affect the form of the result. (A+A)) ((A+A). If there is exactly one group, return a list of strings matching that group. Master pattern capturing, referencing, and organizing complex regular expressions. match("|". In other words, the 1 s were lost when they were "overwritten" by subsequent 1 s and eventually the 2 . When you do so, the search starts at the substring of str specified by the regular expression's lastIndex property (test() will also advance the lastIndex property). May 15, 2009 · Note: There's no reason to capture the group for this case so I add the ?: non capture group flag to the capture group. captures(i Mar 11, 2013 · Kind of late, but both yes and no. Retrieve multiple capture group in Dec 13, 2021 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. The difference is that the repeated capturing group will capture only the last iteration, while a group capturing another group that’s repeated will capture Mar 5, 2023 · And I want to capture it using a regex that looks like this: (?P<GRP1>(A|D))?(?P<GRP2>(A|C))?B. Group numbers are assigned based on the order of opening parentheses in the regex pattern Jan 15, 2018 · I'd like to capture n times a pattern that repeats itself n times, with n >= 0. – Aran-Fey. That is, if you write (a)+, then the part captured is only going to be one 'a', even if it matches multiple times. Feb 18, 2015 · Because the capture group is just one character (. 86. exec('abadsdeffdc') First the regex engine needs to capture the group for each dot matched and keep a record for all these matches. May 14, 2009 · Because you only have one capturing group, but it's "run" repeatedly, the new matches are repeatedly entered into the "storage space" for that group. – user2357112 Commented Nov 7, 2015 at 15:43 Sep 28, 2012 · You are right. >>> m. Match 2: 789101 Group 1: 01 . group(1) # Returns only the last match. The code: Jul 17, 2010 · In python regex how would I match against a large string of text and flag if any one of the regex values are matched I have tried this with "|" or statements and i have tried making a regex list. For good and for bad, for all times eternal, Group 2 is assigned to the second capture group from the left of the pattern as you read the regex. , it fails to match Feb 2, 2015 · The purpose of backreferences is to match the same text occurring multiple times in the input string, not to repeat a part of the regular expression itself. There's a library called regex for python that does that, among other nice things: Jan 14, 2016 · I'm trying to make a regex expression which capture multiple groups of data. Let’s see different Or using a repeating capture group, you could shorten it to this: (\d{1,3}\. Can I do this in Python regular expressions, or would you suggest matching everything at first, and split the subpatterns later? Aug 15, 2014 · I have to validate next string format: text-text-id-text Separator is character '-'. Regex Demo. You can use a regular expression to see whether your input line matches your expected format (using the regex in your question), then you can run the above code without having to check for "VALUE" and knowing that the int(x) conversion will always succeed since you've already confirmed that the following character groups are all digits. Python regex multiple Aug 25, 2021 · I have some regex in named groups such as (P?<a>A), (P?<b>B), (P?<c>C). Consider this (very simplified) example string: Regex multiple match capture groups proper syntax. Jan 17, 2012 · If this code is time- or CPU-critical, you should try instead to compose a single regular expression that encompasses all your needs, using the special | regex operator to separate the original expressions. Basic groups in regex are created using parentheses (). To access multiple matches of a regex group in Python, you can use the re. group(1) in order to get first element from the list and get its second group. Every time it makes a match, it will overwrite the previous match with the one it just found. Python regex match a pattern for multiple times. Items 1 and 2 are in capture group 1. Count // this is 3 Regex. Unfortunately, nothing in regexp can match multiple times the same group. E. 1. Only if you are using a PyPi regex in Python, or . That is why your capturing group only returns the last pattern captured. groups(), 1): res. <—— If multiple groups are present, return a list of tuples of strings matching the groups. ). Commented May 9, 2017 at 9:10. findall (finds all non-overlapping occurrences of the pattern), and the methods match and search of compiled RegexObjects, both of which accept start and end positions to limit the portion of the string being considered. If there are no groups, return a list of strings matching the whole pattern. I did have to make the first group non-greedy to prevent it from matching the season section of the name. But what if a string contains the multiple occurrences of a regex group and you want to extract all matches. match(r"(. I need to match those groups only if some_word appear in front of them. The regular expression that you wrote will actually match D-1150A, D-1150B and D-1150C. {n,} at-least 'n' times. see this similar answer for javascript. here is an example of what I am trying to do with the or. * to match the junk at the beginning of the string. Now, the question is what language you are using. Match 1: 123456 Group 1: 56 . Is there a way in Python to access match groups without explicitly creating a match object (or another way to beautify the example below)? Here is an example to clarify my motivation for the quest Feb 16, 2017 · But only capture the digits. Regular expression group capture with multiple matches. But if you need to use two capture groups, this will produce something like this: Feb 26, 2021 · however, even though I have put every string that I want to be different in a capturing group, it doesn't stop it from thinking that strings B and C are the same. Suppose you have the following path that shows the news with the id 100 on a website: news/ 100 Code language: Python (python) The following regular expression matches the above path: Nov 12, 2024 · Regular expressions in Python become more powerful when using groups. I need to match numbers using named groups: The number of groups is set and then fixed by the pattern. – Python uses literal backslash, plus one-based-index to do numbered capture group replacements, as shown in this example. )*e/. You should put each list of alternatives in a non-capturing group, and then put all of them in a single capturing group so you just get the matching label. The problem is a much larger one where STAR is another regular expression which has already been solved. findall() should do it but I don't know what I'm doing wrong. To make a choice you should consider the following differences between them: Regex. Python Regex Capturing Group. Ask Question Asked 5 years, 3 months ago. In this section, we will learn how to capture all matches to a regex group. import regex x = regex. join([regex_str1, regex_str2, regex_str2]), line) Sep 5, 2015 · I want to do capture two groups, but one is inside a non-capture group. In this tutorial, you'll learn about Python regex capturing groups to create subgroups for a match. (?:\n\n|$) Matches two successive newline characters or $ (which matches either the end of string or the newline before the end of string) in a non-capture group. group(0) returns the matched text, not the first capture group. I've tried with STAR(?:\s*(?:,|and)\s*(#\d+))+ But it doesn't seem to capture the terms exactly. {n} 'n' times. re. If a group matches multiple times, only the last match is accessible: Regex to match a capturing group one or more times. finditer() method finds all matches and returns an iterator yielding match objects that match the regex pattern. Consider /(abc|123){2}/. The re module supports the capability to precompile a regex in Python into a regular expression object that can be repeatedly used later. don't know for sure but they seem to be unsupported in python's regex flavor. Summary: in this tutorial, you’ll learn about Python regex capturing groups to create subgroups for a match. But this is a very inelegant solution, especially since I want to know the order of the arguments as well. In the same vein, if that first capture group on the left gets read multiple times by the regex because of a star or plus quantifier, as in ([A-Z]_)+, it never becomes Group 2. Result: Aug 25, 2020 · Match 0 or more whitespace or non-whitespace characters, i. C. What I want is to capture all the groups like this: Match 1: 123456 Group 1: 12 Group 2: 34 I'm trying to capture multiple instances of a capture group in python (don't think it's python specific), but the subsequent captures seems to overwrite the previous. The pattern I want to repeat is \s+(\w*\. Capture groups with Regular Expression (Python) 2. Generally, first capturing group will contain a and last will contain e, second will contain repeated string, rest are irrelevant. Jun 25, 2016 · I have a Python regular expression that contains a group which can occur zero or many times - but when I retrieve the list of groups afterwards, only the last one is present. This is similar to paxdiablo implementation, but slightly cleaner. I was doing something similar for matching on basic hex colors since they could be 3 or 6 in length. findall() method. For example, to capture the uppercase letters in a string like ‘PYTHON’, the pattern “\b[A-Z]+\b” is used inside the parentheses. I wrote next regex (in python) which validates string: import re s = 'col1-c I have a problem building a working and correct pattern to re. any type of character including newline non-greedily. Next, you can iterate over each match object and extract its value. Modified 4 years, Python regex capture multiple groups N number of times. Regex group match exactly n times. That is not something that regex does. 12. The code: Mar 18, 2013 · using a non-capturing group ((?:)) plus the 0 or 1 quantifier (?). findall. You can change that around so that you get the entire list as a match: I think what you directly refer to is called Capturing a Repeated Group - or along the lines 'accessing every match in a quantified / repeated capture group'. For example, assume you have this script: Jul 29, 2020 · Non capture group for the alternation | \b[A-Z]*\d+\. 7. (A+A)) while I only want it to match the first one. Apr 20, 2017 · python regex to capture a pattern which appear an unknown number of times. Try Teams for free Explore Teams May 7, 2015 · Per this demo "A repeated capturing group will only capture the last iteration. For example: data = """34% passed 23% f Nov 7, 2015 · Non-capturing groups don't "anti-capture" what they match and remove them from outer groups; they're just a way to group things together so you can apply quantifiers to them. If that constraint sounds contrived, just consider this a mental exercise, but know May 3, 2019 · I have found odd behavior in Python 3. Jun 5, 2012 · pat_recognize_args looks for the literal string func with a literal ((which is backslash-escaped in the pattern so re won't try to use it to start a match group), then the literal string cmd, and then a match group that matches anything up to a literal ) character; then the match group is closed with a ) and a literal ) is there to match the Mar 4, 2014 · Basically, you cannot use a single capturing group followed by a repetition marker + or * to capture an arbitrary number of sequences. Try Teams for free Explore Teams The official Python community for Reddit! Stay up to date with the latest news, packages, and meta information relating to the Python programming language. This can be particularly useful when parsing large amounts of text or extracting specific information from a string. Mar 31, 2020 · Regex match capturing group n times. I have a regular expression that correctly parses each line of the data, but it's rather long. For example, to capture all phone numbers in a string, we can use the following pattern: (d{3})s(d{3}-d{4}) . Ask Question Asked 4 years, 10 months ago. + 1 to any number of times. *? instead of . Mar 29, 2020 · Python Re: Multiple Capturing Groups. I have strings that look like this: a = 'x="2"' b = 'x="2,3", y="hello", z="true"' I'd like to extract 'x' and its value '2,3', 'y' and its value 'hello', etc. trying this regex ((\d{3}-\d{2}-\d{4}){3,}) to match: 111-11-6534 111-11-6534 111-11-6534 123-11-6534 123-11-6 Dec 7, 2021 · You're getting None for all the groups that don't match, since re. Would return 'pandas', 'os', and 'sys'. Aug 1, 2011 · Right, I think the OP's real issue is that group() with no arguments returns the whole string that was matched. If you want the first item in the result list to be upper cased, you can use . It is not possible to return repeated subgroups inside a group. This is because the regular expression matches for all three of the following strings: ((A+B). Thanks! Each capturing group should be able to match independently of its siblings. Example code: Apr 18, 2017 · The final capturing group in the output will be "123". In this scenario, the capture groups stick with the first branch even though the regex uses the second branch. Variables are separated by a comma followed by a space; values are inside double quotes. e. So OP's original question "how many capture groups in a given regular expression" is the best one to answer. Is there a simple way to do this? I am new to regex but I could find direction on this online. Just the re module only. Third column must always be id. In the second example the regex matches several as at once and captures each one into group 1. Viewed 17k times 33 . 'c3' Dec 28, 2011 · I'm trying to match pair of digits in a string and capture them in groups, however i seem to be only able to capture the last group. Jan 21, 2021 · So, you only use a single capturing group to return the value for the single column you define to the left of the = operator, and if you need to group any two or more patterns, you just use non-capturing groups. * 0 to any number of times. 6. split() includes all capture groups in the resulting list. Understanding Basic Groups. Explanation: \w+ - match one or more of word characters \3+ - match string captured in third capturing group, one ore more times. You may capture the whole rest of the string into Group 4 and then split with whitespace: import re s = r'25473 (firefox) S 25468 25465 25465 0 -1 4194304 149151169 108282 32 15 2791321 436115 846 86 20 0 84 0 9648305 2937786368 209665 18446744073709551615 93875088982016 93875089099888 140722931705632 140722931699424 140660842079373 0 0 Jul 15, 2020 · Is it anyway possible to repeat a named capture group multiple times in one regex using Python? Below is the regex (which is incorrect as there are duplicate named groups in the same regex) regex = Nov 6, 2024 · When creating a regular expression that needs a capturing group to grab part of the text matched, a common mistake is to repeat the capturing group instead of capturing a repeated group. edu groups. For instance, something like (a|b) is \1 will match "a is a" or "b is b", but not "a is b". Let's explore how to use regex groups effectively. sub() to find and replace items in a string. dvta noitqv qelniv uviacoe irg rvesyr mhdrtt qarc spw lcjms szuagda mszbm oybyz mfj irsxt