Enter match/non-match examples to auto-generate regex patterns
Match Examples (one per line)
Enter strings the regex should match
Non-match Examples (optional, one per line)
Enter strings that should not match, to narrow down the pattern
Recommended Regex
Online Test
Enter strings to test if the generated regex matches
Instructions
1. Enter strings the regex should match in "Match Examples" (one per line) 2. Enter strings that should not match in "Non-match Examples" (optional, improves accuracy) 3. Click "Generate Regex" — the tool analyzes common patterns and generates regex 4. Click candidate results to switch, and verify in the test area 5. Generated regex is inferred from examples; for complex cases, manual tuning is recommended