global是正則表達式對象的只讀布爾屬性。它指定是否一個特定的正則表達式進行全局匹配。否則它使用“g”屬性創建。
語法
RegExpObject.global
下面是參數的詳細信息:
返回值:
例子:
<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>
這將產生以下結果:
Test1 - Global property is not set Test2 - Global property is set