Regex Tester & Validator
Test, validate and match regular expressions
Test, validate and match regular expressions
This regular expression matches 6 or 8-character hexadecimal strings, commonly used for hex color codes or unique identifiers. It optionally allows prefixes like '0x', '0X', or '#'. Note that the character sets `[x|X]` and `[0-9,A-F,a-f]` unintentionally allow literal pipe and comma characters.