UUID Regex Examples

Password Regex Validate password strength, length and security policies. 4 examples Email Regex Test and understand practical email patterns you can adapt. 2 examples URL Regex Validate or extract URLs with interactive examples. 2 examples Phone Number Regex Validate international, French, US and E.164 phone numbers. 5 examples Username Regex Validate usernames, handles, slugs and account names. 6 examples Date Regex Validate DD/MM/YYYY, ISO dates and timestamps. 5 examples IP Address Regex Validate IPv4, private IP ranges, CIDR notation and IPv6 basics. 5 examples Hex Color Regex Validate CSS hex colors like #fff, #ffffff and alpha colors. 6 examples Domain Name Regex Validate domains, subdomains, TLDs and lowercase domain names. 6 examples Slug Regex Validate SEO-friendly slugs and URL-safe identifiers. 5 examples Regex Cheatsheet Quickly find anchors, classes, groups and quantifiers. 5 examples Regex Tutorial Learn regular expressions step by step from the basics. 3 examples JavaScript Lookbehind Understand lookahead, lookbehind and compatibility limits. 2 examples JavaScript Regex vs PCRE Compare regex engines, flags and feature support. 2 examples