Regular Expressions

Regex Tester

Test regular expressions with match highlighting

Regex Explainer

Explain a regular expression pattern in plain English

Regex Replace

Find and replace text using regular expressions

Regex Split

Split text by a regular expression pattern

Regex Extract

Extract all matches from text using a regular expression

Regex Groups

Extract named and numbered capture groups from regex matches

Regex Flags Tester

Test different regex flags (g, i, m, s, u, y) and compare results

Regex Escape

Escape special regex characters in a string for literal matching

Glob to Regex

Convert glob patterns to equivalent regular expressions

Regex to Glob

Convert simple regex patterns to glob patterns (best approximation)

Regex Optimizer

Suggest optimizations for regular expression patterns

Common Regex Patterns

Library of common, ready-to-use regex patterns

Email Regex

Email validation regex patterns at various strictness levels

URL Regex

URL matching regex patterns for various protocols and formats

Phone Regex

Phone number validation regex patterns for various countries

IP Address Regex

IPv4 and IPv6 address validation regex patterns

Date Regex

Date format validation regex patterns

Credit Card Regex

Credit card number validation regex patterns by card type

Password Regex

Generate customizable password validation regex patterns