regexp:test() tests to see whether a string matches a specified regular expression.
Syntax
regexp:test(testString,regExpString[,flagsString])
Parameters
testString- The string to test..
regExpString- The JavaScript style regular expression to evaluate.
flagsString- An optional string containing character flags.
The character flags are:
g- Global match
- Has no effect for this function; it's allowed for consistency with other regexp functions.
i- Case insensitive match
- If this flag is specified, the match is performed in a case insensitive fashion.
Returns
true if the specified regexp matches the test string.
Specifications
Browser compatibility
Supported in Gecko 1.9 and later.