Regex match until character. It looks to me like a date and time. ^(. Sep 3, 2013 · ...
Regex match until character. It looks to me like a date and time. ^(. Sep 3, 2013 · 2 I'm trying to write a regular expression that should display a string upto the part where it finds a whitespace followed by a hyphen " -". Take this regular expression: /^[^abc]/. +)\- The above Regex pattern takes 20 steps to identify 2018-04-09-104914. Jan 3, 2026 · In this blog, we’ll demystify how to reliably match everything until the first semicolon, explore why common pitfalls occur, and provide actionable solutions with examples in multiple programming languages. Jan 16, 2026 · In this guide, we’ll break down the core techniques, provide real-world examples, and address common pitfalls to help you confidently match text until your target sequence. How can I match "anything up until this sequence of characters" in a regular expression? In many regex engines, the simplest way to match “anything up until a particular sequence of characters” is to use a lazy dot-star pattern and then specify the terminating sequence. , any number of times *, up until the next part of the expression ?. Let's make this more specific. If it doesn't find this pattern, it should display the entire string. PROBLEM: I need a regex expression that will match everything until the last occurrence of '_' (underscore character). +)\- Does it always start at the beginning of a line? If so, add a ^ to the beginning to match beginning of line. Let's see two ways we can stop matching after the first occurrence of a pattern in a regular expression. there can be other whitespaces or hyphens in the string. Learn how to craft regex patterns to match every character until a specified character, ensuring that character exists in the string. NET, Rust. Dec 16, 2020 · How to match up until a certain character in regex Asked 5 years, 3 months ago Modified 5 years, 3 months ago Viewed 602 times Dec 21, 2011 · Javascript regular expression: match anything up until something (if there it exists) Asked 14 years, 3 months ago Modified 4 years, 10 months ago Viewed 50k times I've made regular expressions that will identify the last slash and match from there to the end of the line, but what I need is one that will match everything from the start of a line until the last slash, so I can replace it all. ^(\d{4}\-\d{2}\-\d{2})\-\d{6}$ Explained: ^ Match beginning of line ( Start of capturing Dec 16, 2020 · How to match up until a certain character in regex Asked 5 years, 3 months ago Modified 5 years, 3 months ago Viewed 602 times Let’s see how we can match up until the first occurrence of a pattern in a regular expression. The first match should cover everything except of the last line, because that line contains an equal sign. This will match any single character at the beginning of a string, except a, b, or c. But the last '_' must not be included. The next part of the expression would be a dot. Aug 19, 2015 · And I want to catch all the data after Temp: and until first occurrence of , which means: C5E501374D0343090957F7E5929E765C931F7D3EC7A96189FDA88549D54D9E4E5DB3FC1C2 I tried using regex Temp:(. I just need regex to return what I expect it to. Suppose we’re working with the text below. Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. Alternatively, you could use the start anchor ^, then match any character . If you add a * after it – /^[^abc]*/ – the regular expression will continue to add each subsequent character to the result, until it meets either an a, or b, or c. +,) without success How do I tell the regex that , should be the first found? Feb 12, 2016 · I try to match all the lines that follow until a line contains a certain character. . LIMITATIONS: I'm using this in Cmake, and cmake does not support lazy quantifiers, groups, and I cannot do any additional "post-processing". Interactive tool to learn, build, and test regular expressions with syntax highlighting and real-time results for regex before and after characters. So move the - outside of the capturing group: (. xc6cfaktddsipgak3vzztjto9s1j8flxk2s7xrunth1oy96x2eyxzmdamq8ol7yxwabxu4ufhfcqdehw3kywp5bbswmuthbwgsimji