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JavaScript RegExp - global
  • 时间:2024-09-17

JavaScript RegExp - global


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Description

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

Syntax

Its syntax is as follows −


RegExpObject.global

Return Value

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

Example


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

Output


Test1 - Global property is not set
Test2 - Global property is set
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