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.test(str);
Since there is an "e" in the string, the result of res will be:
true
Try it Yourself »
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.
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| test() | Yes | Yes | Yes | Yes | Yes |
Syntax
RegExpObject.test(string)
Parameter Values
| Parameter | Description |
|---|---|
| string | Required. The string to be searched |
Return Value
| Type | Description |
|---|---|
| Boolean | Returns true if it finds a match, otherwise it returns false |
Technical Details
| JavaScript Version: | 1.2 |
|---|
More Examples
Example
Do a global search, and test for "Hello" and "w3ii" in a string:
// The string:
var str = "Hello world!";
// Look for "Hello"
var patt = /Hello/g;
var result = patt.test(str);
// Look for
"w3ii"
patt2 = /w3ii/g;
result2 = patt2.test(str);
The output of the code above will be:
true // match for "Hello"
false // no match for "w3ii"
Try it Yourself »
< JavaScript RegExp Object