<script type="text/javascript">
var str = "1119887testoktest3SchoolVisit ";
var patt1 = new RegExp("(W3School|testok|9887)");
var result = patt1.test(str);
document.write("包含其中任意字符串: " + result);
</script>
<script type="text/javascript">
var str = "testoktest3SchoolVisit ";
var patt1 = new RegExp("^(W3School|testok|9887)");
var result = patt1.test(str);
document.write("以任意字符串开头: " + result);
</script>