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

stringObject.search(searchstring)

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:

6

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:

-1

Example 2 - Case-insensitive Search

In 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:

6

Try-It-Yourself Demos

search()
How to use search() to search a string for a specified value.

search() Case-insensitive search
How to use search() to search a string for a specified value.

Complete String Object Reference

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