Regex Tester & Validator
Test, validate and match regular expressions
Test, validate and match regular expressions
Matches US telephone numbers with an optional leading country code '1', an area code either in parentheses or plain digits, followed by 3-digit and 4-digit groups separated by optional spaces or hyphens. Accepts formats like (123) 456-7890, 123-456-7890, 1234567890, and 1 123 456 7890. Commonly used for validating North American phone numbers in forms and user input.