Test and debug regular expressions with real-time pattern matching, flags, and detailed match analysis
/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/i/^(\+?1-?)?\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/gm/https?://[^\s/$.?#].[^\s]*/gi/^(\d{4})-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01])$/gm