JS regular verification time test() method

test() Method to detect whether a string matches a pattern .

The rules .test(str);

Return value ： If the string contains text that matches the written regular , Then return to true, Otherwise return to false.

In the following example , We will search "W3School"：

<script type="text/javascript">
var str = "Visit W3School";
var patt1 = new RegExp("W3School");

var result = patt1.test(str);

document.write("Result: " + result);
</script>

Output ：

Result: true