Regex Tester & Validator
Test, validate and match regular expressions
Test, validate and match regular expressions
This regex validates a Philippine DepEd Learner Reference Number (LRN), a 12-digit unique student identifier. It enforces specific rules: starts with digits 1-6 (region code), followed by five digits, then a two-digit sequence (00-25), and ends with four more digits. Useful for school enrollment systems, student record management, and educational data validation in the Philippines.