Regex Tester & Validator
Test, validate and match regular expressions
Test, validate and match regular expressions
This pattern matches strings containing exactly 8 non-hyphen characters, followed by a hyphen, then exactly 3 non-hyphen characters, another hyphen, and exactly 3 more non-hyphen characters. It validates a fixed 16-character segmented format like 'XXXXXXXX-XXX-XXX'. Common use cases include validating product codes, serial numbers, license keys, or custom identifier formats where segments are separated by hyphens.