Best regular-expressions tools

A Windows text and code editor with CSV tools, search, and support for very large files.

Embed Perl-compatible regular-expression matching in applications through a portable C library.

A Windows editor for source and text files with configurable syntax highlighting and Perl- or JavaScript-style regular expressions.

Automate text-heavy tasks and build scripts with Perl's mature language and module ecosystem.

Inspect regular expressions visually

Search text interactively with reusable patterns

Reuse regex searches across Windows folders

Search and replace across file collections

Learn and test text patterns with live feedback

Build text-matching patterns from examples

Display and export a regex diagram

Search text with patterns and an interactive view

Test matching, substitution and extraction rules

Find text inside files and network folders

Inspect text search matches with surrounding context

Preview repeated replacements across text files

Inspect regular expressions as editable building blocks

Regular-expression lessons with matching exercises