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Javascript RegExp - ignoreCase Property


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Description:

ignoreCase is a read-only boolean property of RegExp objects. It specifies whether a particular regular expression performs case-insensitive matchingi.e., whether it was created with the "i" attribute.

Syntax:

RegExpObject.ignoreCase

Here is the detail of parameters:

  • NA

Return Value:

Returns "TRUE" if the "i" modifier is set, "FALSE" otherwise.

Example:

<html>
<head>
<title>JavaScript RegExp ignoreCase Property</title>
</head>
<body>
<script type="text/javascript">
   var re = new RegExp( "string" );

   if ( re.ignoreCase ){
      document.write("Test1-ignoreCase property is set"); 
   }else{
     document.write("Test1-ignoreCase property is not set"); 
   }
   re = new RegExp( "string", "i" );

   if ( re.ignoreCase ){
      document.write("<br/>Test2-ignoreCase property is set"); 
   }else{
     document.write("<br/>Test2-ignoreCase property is not set"); 
   }
</script>
</body>
</html>

This will produce following result:

Test1 - ignoreCase property is not set
Test2 - ignoreCase property is set 

To understand it in better way you can Try it yourself.



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