How to match, but not capture, part of a regex? - Stack Overflow
A variation of the expression by @Gumbo that makes use of \K for resetting match positions to prevent the inclusion of number blocks in the match. Usable in PCRE regex flavours.
Negative matching using grep (match lines that do not contain foo)
How do I match all lines not matching a particular pattern using grep? I tried this: grep '[^foo]'
matchFeatures - Find matching features - MATLAB - MathWorks
This MATLAB function returns indices of the matching features in the two input feature sets.
OR condition in Regex - Stack Overflow
Apr 13, 2013 · For example, ab|de would match either side of the expression. However, for something like your case you might want to use the ? quantifier, which will match the previous …
Regular expression to stop at first match - Stack Overflow
to capture a match between start and the first occurrence of end. Notice how the subexpression with nested parentheses spells out a number of alternatives which between them allow e only …
python - Return string with first match for a regex, handling case ...
Return string with first match for a regex, handling case where there is no match Asked 9 years, 3 months ago Modified 2 years, 9 months ago Viewed 336k times
Regular expression to match string starting with a specific word
How do I create a regular expression to match a word at the beginning of a string? We are looking to match stop at the beginning of a string and anything can follow it. For example, the …
Regex only capture first match - Stack Overflow
Regex only capture first match [duplicate] Asked 11 years, 2 months ago Modified 4 years, 11 months ago Viewed 82k times
How can I make a regex match the entire string? - Stack Overflow
Suppose I have a string like test-123. I want to test whether it matches a pattern like test-<number>, where <number> means one or more digit symbols. I tried this code: …
regex - Which regular expression operator means 'Don't' match …
May 8, 2011 · *, ?, + characters all mean match this character. Which character means 'don't' match this? Examples would help.