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JavaScript test() Method
 JavaScript RegExp Object
Definition and Usage
The test() method tests for a match in a string.
This method returns true if it finds a match, otherwise it returns false.
Syntax
| RegExpObject.test(string) |
| Parameter |
Description |
| string |
Required. The string to be searched |
Browser Support
The test() method is supported in all major browsers.
Example
Example
Do a global search, and test for "Hello" and "W3Schools" in a
string:
<script type="text/javascript">
var str="Hello world!";
//look for "Hello"
var patt=/Hello/g;
var result=patt.test(str);
document.write("Returned value: " + result);
//look for "W3Schools"
patt=/W3Schools/g;
result=patt.test(str);
document.write("<br />Returned value: " + result);
</script>
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The output of the code above will be:
Returned value: true
Returned value: false |
Try it yourself »
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JavaScript RegExp Object
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