JavaScript Reference

JavaScript – RegExp test() Method

The JavaScript RegExp test() method tests for a match in a string. If a match is found, it returns “true”, otherwise it returns “false”.

JavaScript Reference

JavaScript – String match() Method

The String match() method matches a string against a regular expression, returning an array with the matches or null if no match is found.

JavaScript Reference

JavaScript – String search() Method

The String search() method matches a string against a regular expression, returning the position of the first match or -1 if no match is found.

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