Regex Tester & Validator
Test, validate and match regular expressions
Test, validate and match regular expressions
Parses WhatsApp chat export lines in the format 'DD/MM/YYYY, H:MM - Sender: Message'. It captures four groups: date, time, sender name, and message body. The trailing lookahead stops at the next dated entry or end of input, so multi-line messages are captured too, making it ideal for extracting structured data from WhatsApp conversation logs.