Skill Level: Any
For more information about regular expression flags, see RegExp.prototype.flags
Start the RegEx Tester.
Enter the regular expression to test.
Insert your sample data to apply in the test.
Use data specific to your web application, such as a sample request.
If a match is found for the regular expression in the test sample data, the Matches value is true.
Enter the value from the RegEx (ready for copy & paste into config) box in the Configuration wizard text box.
Copy and paste this value as needed.
When you are finished testing, close the RegEx Tester.