JavaScript String search() 方法详解

string.search(regexp);

<html>
<head>
<title>JavaScript String search() Method</title>
</head>
<body>
<script type="text/javascript">

var re = /apples/gi;
var str = "Apples are round, and apples are juicy.";

if ( str.search(re) == -1 ){
  document.write("Does not contain Apples" );
}else{
  document.write("Contains Apples" );
}

</script>
</body>
</html>

Contains Apples