Regex Cheatsheet - Regular Expression Quick Reference

Quick reference for regular expression patterns. Character classes, quantifiers, anchors, and common patterns.

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Semantic Versioning Pattern

Common Pattern

Match semantic version (e.g. 1.2.3-alpha+build)

Pattern

^\d+\.\d+\.\d+(-[\w.]+)?(\+[\w.]+)?$

Examples

2.0.1

Release version

Matches: 2.0.1

1.0.0-beta.1

Pre-release version

Matches: 1.0.0-beta.1

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