regex-tester

Test and debug regular expressions with detailed match visualization, plain-English explanations, and pattern generation from examples.

| --pattern | Regex pattern | - | | --text | Text to test against | - | | --file | File to test against | - | | --explain | Explain pattern | False | | --replace | Replacement pattern | - | | --generate | Generate from examples | - | | --ignore-case | Case insensitive | False | | --multiline | Multiline mode | False |

| email | Complex | user@domain.com | | phoneus | \d{3}[-.]?\d{3}[-.]?\d{4} | 555-123-4567 | | url | Complex | https://example.com | | ipv4 | \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3} | 192.168.1.1 | | dateiso | \d{4}-\d{2}-\d{2} | 2024-01-15 | | time24h | \d{2}:\d{2}(:\d{2})? | 14:30:00 | | hexcolor | #[0-9A-Fa-f]{6} | #FF5733 |