Regular Expressions 101

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Regular Expression
PCRE2 (PHP >=7.3)

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^(?P<major>\d+)(?:\.(?P<minor>\d+)(?:\.(?P<build>\d+)(?:\.(?P<revision>\d+))?)?)?(?:-(?P<prerelease>\w+)(?:[-\.](?P<version>\d+))?)?$
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Description

Regex that parses a version number including prerelease information and captures Major, Minor, Build, Revision, Prerelease and Prerelease version.

Major is mandatory - Minor, Build and Revision can be omitted.

The whole Prelease part is optional - it can match any text value followed by a pre-release version separated from the info with either a . (dot) or a - (dash).

Submitted by Benny Tordrup - a month ago