JavaScript search() Method
 Complete String Object Reference
Definition and Usage
The search() method is used to search a string for a specified value.
This method supports regular expressions. You can learn about the
RegExp object in our JavaScript tutorial.
Syntax
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stringObject.search(searchstring)
|
| Parameter |
Description |
| searchstring |
Required. The value to search for in a string. To perform a
case-insensitive search add an 'i' flag |
Tips and Notes
Note: search() is case sensitive.
Note: The search() method returns the position of the specified value
in the string. If no match was found it returns
-1.
Example 1 - Standard Search
In the following example we will search for the word "W3Schools":
<script type="text/javascript">
var str="Visit W3Schools!";
document.write(str.search(/W3Schools/));
</script>
|
The output of the code above will be:
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Note: In the following example the word "w3schools" will not be found
(because the search() method is case sensitive):
<script type="text/javascript">
var str="Visit W3Schools!";
document.write(str.search(/w3schools/));
</script>
|
The output of the code above will be:
Example 2 - Case-insensitive SearchIn the following example we will perform a case-insensitive search:
<script type="text/javascript">
var str="Visit W3Schools!";
document.write(str.search(/w3schools/i));
</script>
|
The output of the code above will be:
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Try-It-Yourself Demossearch()
How to use search() to search a string for a specified value.
Complete String Object Reference
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