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Pure Nim regex engine. Guarantees linear time matching

Regex

Build Status licence

A library for parsing, compiling, and executing regular expressions.

Features:

  • The match time is linear in the length of the input string
  • Regular expressions are (optionally) compiled at compile-time
  • Captures all group repetitions (not just the last one)
  • Unicode level-1 support
  • Descriptive error messages
  • Supports matching at compile-time (Nim +0.20)

Install

nimble install regex

Compatibility

Nim +0.19.0

Docs

Read the docs

Tests

nimble test

Debugging

Compile with -d:regexDotDir:. to generate dot files of the regexes (NFAs) within the nim file. A dot file can be viewed in Graphviz. Requires Nim +1.2.

LICENSE

MIT