Regular expressions pattern options
In regular expressions there are some constructs that influence the way a pattern is matched:
- Non-greedy
? - Non-capturing
(?:pattern) - Positive lookahead
(?=pattern) - Negative lookahead
(?!pattern) - Positive lookbehind
(?<=pattern) - Negative lookbehind
(?<!pattern) - Testing regular expressions
Posted by: Z24 | Sat, Dec 22 2007 |
Category: /programming |
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Tagged as: perl, programming, regex, visual basic
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