Regular Expression Tester

Test and debug your regular expressions in real-time. All processing is done in your browser - no data is sent to any server.

Regular Expression Pattern:

Global (g)

Case Insensitive (i)

Multiline (m)

Dot All (s)

Test String:

Results

Email Validation

^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$

Password Validation

^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$

Phone Number (E.164)

^\+?[1-9]\d{1,14}$

MAC Address

^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$