regex101: build, test, and debug regex

Problems Using Regular Expressions https://regex101.com 8 comments 29/12/2023 learnprogramming

Ansible - Remove block of code between two comments (including the comments themselves) https://regex101.com/ 4 comments 21/9/2023 ansible

Trying to alter a list or a dict with regex or any other means without losing the order of the list https://regex101.com/ 4 comments 30/3/2023 ansible

ChatGPT is a regex god https://regex101.com/ 235 comments 12/3/2023 webdev

Newbie Regex Help https://regex101.com 7 comments 25/2/2023 learnprogramming

Question on a basic RE expression to match email addresses https://regex101.com 2 comments 13/2/2023 learnpython

Is there a way to practice a particular notion? https://regex101.com 2 comments 12/2/2023 learnjava

RegExMatch assistance https://regex101.com/ 3 comments 20/1/2023 autohotkey

Regular expression pattern works on regex101.com but not in php CLI https://regex101.com 7 comments 15/1/2023 phphelp

RegEx help https://regex101.com/ 7 comments 24/12/2022 learnjavascript

Regex101.com needs help getting a small Rust WASM binary https://regex101.com/ 38 comments 18/11/2022 rust

Replace variable text https://regex101.com 8 comments 16/11/2022 regex

C# Regex help https://regex101.com 2 comments 7/10/2022 learnprogramming

Anyone good with a simple Regex query? https://regex101.com/ 5 comments 21/9/2022 sysadmin

Curly brackets with a group https://regex101.com 4 comments 6/8/2022 regex

I've Googled for 1 Hour, No Luck: How to Substitute Every 2nd Instance of Special Character https://regex101.com 7 comments 21/7/2022 regex

Cant get regex to work propperly https://regex101.com 10 comments 19/7/2022 rust

Which regex flavor and syntax in Linux is one I can train with some online tester? https://regex101.com/ 3 comments 13/5/2022 regex

Getting all matches regexec https://regex101.com 4 comments 6/4/2022 c_programming

Possible bug in regex and Unicode characters? https://regex101.com 16 comments 6/3/2022 rust

Problems with regex in SUMIFS - am I doing this correctly? https://regex101.com 5 comments 24/2/2022 libreoffice

Regex_search https://regex101.com/ 17 comments 24/1/2022 ansible

Regex help https://regex101.com/ 4 comments 15/12/2021 sysadmin

regex pattern for a substring that starts with "abc" https://regex101.com/ 3 comments 21/9/2021 regex

trying to both detect a word but not if combined with another https://regex101.com 7 comments 28/8/2021 regex

What is the best way to write a Regex exclusion pattern? http://regex101.com/ 7 comments 27/8/2021 regex

Need help with a multiline RegEx https://regex101.com 9 comments 5/6/2021 regex

Converting PCRE2 to Javascript for Google Apps Script https://regex101.com 3 comments 27/4/2021 regex

Regex help needed https://regex101.com/ 6 comments 27/3/2021 regex

Local side of email address - I think I have it but second set of eyes would help https://regex101.com 2 comments 25/2/2021 regex

how does a DFA engine end up matching \wd without backtracking? https://regex101.com 3 comments 2/2/2021 regex

Convert Date String in Filenames to ISO Date Format https://regex101.com 7 comments 21/1/2021 regex

First Name, followed by within one character of last name https://regex101.com 9 comments 8/1/2021 regex

Trying to figure out an && style operator to use with Regex. https://regex101.com 12 comments 17/12/2020 regex

Microsoft sensitive information type to detect passwords. https://regex101.com 9 comments 10/12/2020 regex

Does Positive Lookbehind work with node? https://regex101.com 3 comments 30/11/2020 node

[HELP] Confusing Problem: regex can't match email request payload https://regex101.com 2 comments 16/11/2020 regex

How do I detect a link only if it's the first one mentioned? (Considering that Negative Lookbehind can't be non-fixed length) https://regex101.com 17 comments 7/11/2020 regex

Help with ansible set_fact using regex_search https://regex101.com 8 comments 8/9/2020 ansible

Ansible: Finding matching pattern shows error in regex expression https://regex101.com/ 4 comments 3/7/2020 ansible

Match all these words https://regex101.com/ 4 comments 29/6/2020 regex

Is it possible to have regular expression stop matching after the first occurrence? https://regex101.com 7 comments 20/5/2020 regex

Every time that I came here I say to myself that it will be the last time, nonetheless I am once again seeking aid. Match anything from end of a string till the first forward slash. https://regex101.com/ 10 comments 27/4/2020 regex

regex: I want to extract 12 alphanumeric chars, but {12} quantifier doesn't work https://regex101.com/ 3 comments 30/3/2020 bash

Regex Validation - Conditionals https://regex101.com 8 comments 24/3/2020 regex

Regex to validate IPv4 address *almost* working. But why not completely? https://regex101.com 5 comments 24/3/2020 regex

Find and Replace Blocks of XML that do not contain a word [N++] [XML] https://regex101.com/ 4 comments 23/1/2020 regex

Getting irregular exp val when pasting to system https://regex101.com 7 comments 10/1/2020 regex

Help with Tuning https://regex101.com 4 comments 7/1/2020 regex

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