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Javascript RegExp - multiline Property

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Description:

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

Syntax:

RegExpObject.multiline

Here is the detail of parameters:

Return Value:

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

Example:

<html>
<head>
<title>JavaScript RegExp multiline Property</title>
</head>
<body>
<script type="text/javascript">
   var re = new RegExp( "string" );
   if ( re.multiline ){
      document.write("Test1-multiline property is set"); 
   }else{
     document.write("Test1-multiline property is not set"); 
   }
   re = new RegExp( "string", "m" );
   if ( re.multiline ){
      document.write("<br/>Test2-multiline property is set"); 
   }else{
     document.write("<br/>Test2-multiline property is not set"); 
   }
</script>
</body>
</html>

This will produce following result:

Test1 - multiline property is not set
Test2 - multiline property is set

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


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