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