Identifiers Regex Patterns
Patterns for matching UUIDs, credit card numbers, SSNs, and other structured identifiers.
8 patterns
American Express Numberbeginner
Matches Amex card numbers (starts with 34 or 37, 15 digits).
JSPYTHONJAVAPHPGORUBYCSHARP
Any Credit Card Numberintermediate
Matches major credit card numbers (Visa, Mastercard, Amex, Discover).
JSPYTHONJAVAPHPGORUBYCSHARP
Mastercard Numberintermediate
Matches Mastercard credit card numbers (starts with 51-55 or 2221-2720).
JSPYTHONJAVAPHPGORUBYCSHARP
Visa Card Numberbeginner
Matches Visa credit card numbers (starts with 4, 13 or 16 digits).
JSPYTHONJAVAPHPGORUBYCSHARP
MongoDB ObjectIdbeginner
Matches 24-character hexadecimal MongoDB ObjectId strings.
JSPYTHONJAVAPHPGORUBYCSHARP
US Social Security Numberintermediate
Matches US SSN in XXX-XX-XXXX format with basic area number validation.
JSPYTHONJAVAPHPRUBYCSHARP
UUID (Any Version)beginner
Matches UUID strings of any version in standard hyphenated format.
JSPYTHONJAVAPHPGORUBYCSHARP
UUID v4intermediate
Matches UUID version 4 strings in standard hyphenated format.
JSPYTHONJAVAPHPGORUBYCSHARP