Regular expression Packages

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Utilities to validate CSS colors, including named colors, css keywords, hex, rgb, rgba, hsl, hsla, lch, oklch, lab, and oklab

Um decorator customizado para validar CPF usando o class-validator

Regular expression builder for JavaScript with search mode options.

Detect regex patterns in strings

Which regular expression flags does the current environment support?

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

identify escaped indices and characters in markdown.

Simple utility function to escape user-entered strings for use in a regular expression matching

Replace (with option to append) string or RegEx in a file, if different vs old contents (SSD/flash/write-IOPS friendly).

A JavaScript library for quickly and easily testing the validity or invalidity of a value.

Generates regular expression according to passed parameter

Generates regular expression according to passed parameter

A React component that matches text using specified rules, supporting string and regular expressions.

This tool can use specified rules to match text.

Create random strings that match a given regular expression.

Replace search occurrences with a replacement string.

Test if a value is a regular expression.