JavaScript exec() Method
 JavaScript RegExp Object
Definition and Usage
The exec() method tests for a match in a string.
This method returns the matched text if it finds a match, otherwise it returns
null.
Syntax
| RegExpObject.exec(string) |
| Parameter |
Description |
| string |
Required. The string to be searched |
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.exec(str);
document.write("Returned value: " + result);
//look for "W3Schools"
patt=/W3Schools/g;
result=patt.exec(str);
document.write("<br />Returned value: " + result);
</script> |
The output of the code above will be:
Returned value: Hello
Returned value: null
|
Try it yourself »
|
JavaScript RegExp Object
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