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I want a regex that will generate a match when it encounters “integer xyz” but only returns ‘xyz’ as the matching text. ‘xyz’ can be an identifier (letters+digits+underscore).
xyz by itself generates no match, only xyz preceded by ‘integer ‘
thanks!
What language? In Perl 5.10 or PHP 5, I’d use
\K:For most other languages I’d suggest a lookbehind:
If it’s JavaScript, I’d recommend becoming a reader of Steve Levithan’s blog. Come to think of it, I’d recommend that in any case. 🙂
Of course, that’s assuming the regex must match only the variable name. Otherwise I’d go with the other responders’ recommendation of using a capturing group.