JavaScript replace() Method

Complete RegExp Object Reference

Definition and Usage

The replace() method is used to replace some characters in a string with some other characters.

This method supports regular expressions.

Syntax

stringObject.replace(regexp,str)

Tips and Notes

Note: The replace() method is case sensitive.

Example

In the following example we will replace "the" with "Ze":

<script type="text/javascript">
var str = "The Lord of the Rings: The Fellowship of the Ring"; 

var result = str.replace(/The/gi, "Ze");

document.write(result);
</script>

Try-It-Yourself Demos

replace()
How to use replace() to replace some characters in a string using a regular expression.

Complete RegExp Object Reference

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