SSN Regex Tester
Test and validate ssn patterns with this specialized regex tester. Includes tested patterns and real-time matching.
Recommended Ssn Pattern
``regex
^\d{3}-\d{2}-\d{4}$
`
Test Examples
Valid matches:
- 123-45-6789
000-00-0000999-99-9999
Invalid (should not match):
123456789123-456-78912-345-6789
Pattern Explanation
Matches US Social Security Number format (XXX-XX-XXXX)
Alternative Patterns
1. ^\d{9}$
2. ^\d{3}[- ]?\d{2}[- ]?\d{4}$`
How to Use
1. The pattern above is preloaded—or enter your own 2. Add test strings to validate 3. See real-time match highlights 4. Copy the pattern for your code
Regex Quick Reference
| Symbol | Meaning | Example | \dAny digit\d{3} matches "123" \wWord character\w+ matches "hello" +One or morea+ matches "aaa" *Zero or morea* matches "" or "aaa" ?Optionalcolou?r matches "color" ^Start of string^Hello $End of stringworld$ [abc]Character class[aeiou] matches vowels (ab)Alternation(catdog) matches either