Regex Tester & Validator
Test, validate and match regular expressions
Test, validate and match regular expressions
This regex matches birthday greetings including variations like 'Happy birthday', 'Happy bday', 'HBD', and playful forms with repeated characters (e.g., 'happpyyy birthdayyy'). It's case-insensitive and optionally captures a name following 'to' in phrases like 'Happy birthday to John'. Useful for parsing social media messages, greeting cards, or chat applications.