JavaScript exec() Method
Example
Search a string for the character "e":
var str = "The best things in life are free";
var patt = new RegExp("e");
var res = patt.exec(str);
Since there is an "e" in the string, the result of res will be:
e
Try it yourself »
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.
Browser Support
The exec() method is supported in all major browsers.
Syntax
RegExpObject.exec(string)
Parameter Values
| Parameter | Description |
|---|---|
| string | Required. The string to be searched |
Return Value
| Type | Description |
|---|---|
| Array | An array containing the matched text if it finds a match, otherwise it returns null |
Technical Details
| JavaScript Version: | 1.2 |
|---|
More Examples
Example
Do a global search, and test for "Hello" and "W3Schools" in a string:
// The string:
var str = "Hello world!";
// Look for "Hello"
var patt = /Hello/g;
var result = patt.exec(str);
// Look for
"W3Schools"
var patt2 = /W3Schools/g;
result2 = patt2.exec(str);
The output of the code above will be:
Hello // match for "Hello"
null
// no match for "W3Schools"
Try it yourself »
JavaScript RegExp Object
