&"/> JavaScriptRegExpglobalProperty &">

Home  >  Article  >  Web Front-end  >  What is the role of the global RegExp property in JavaScript?

What is the role of the global RegExp property in JavaScript?

王林
王林forward
2023-09-03 18:13:07943browse

What is the role of the global RegExp property in JavaScript?

Global properties are read-only Boolean properties of the RegExp object. It specifies whether a particular regular expression performs global matching, i.e. whether it was created with the "g" attribute.

Example

You can try running the following code to learn how to use the global RegExp property.

<html>
   <head>
   <title>JavaScript RegExp global Property</title>
   </head>
   <body>
      <script>
         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>

The above is the detailed content of What is the role of the global RegExp property in JavaScript?. For more information, please follow other related articles on the PHP Chinese website!

Statement:
This article is reproduced at:tutorialspoint.com. If there is any infringement, please contact admin@php.cn delete