JavaScript RegExp toString() Method

by Online Tutorials Library July 22, 2022

JavaScript RegExp.prototype.toString() Method

The toString() method returns a string which represents the regular expression.

Syntax

Parameters

Return value

This method returns the string representing the given object.

Example 1

  var str = “”;     var re = new RegExp( “”,”g” );           var result = re.toString(str);           document.write(“<br />Returned value : ” +  result);   

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Output:

Returned value : /(?:)/g

Example 2

  document.write (new RegExp(“a+b+c”,”g”).toString());    document.write(new RegExp(“<br>gt+yu”).toString());    document.write(new RegExp(“<br>abcd”).toString());    document.write(new RegExp(‘<br>\n’, ‘g’).toString());  

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Output:

/a+b+c/g/  gt+yu//  abcd//  n/g

Example 3

  var str = “scripting language”;   var re = new RegExp( “script”, “g” );             var result = re.toString(str);           document.write(“Returned value : ” +  result);              re = new RegExp( “”,”g” );            var result = re.toString(str);           document.write(“<br />Returned value : ” +  result);   

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Output:

Returned value : /script/g  Returned value : /(?:)/g

Next TopicJavaScript RegExp

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JavaScript RegExp toString() Method

JavaScript RegExp.prototype.toString() Method

Syntax

Parameters

Return value

Example 1

Example 2

Example 3

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