JavaScript RegExp test() method

　JavaScript RegExp RegExp Object

test()The method executes search to match the specified string.

If a match is found, returntrue; otherwise returnfalse.

Use test() if you just want to know if a pattern is found in the string.

test() returns a boolean value, different from the string returned by exec().

Syntax:

regex.test(string)

var str = "www.oldtoolbag.com";
var regex = new RegExp("n");
var ans = regex.test(str);

Browser Compatibility

All browsers fully support the test() method:

Parameter Value

Technical Details

　JavaScript RegExp RegExp Object