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cheng470/regexpDemo.html

Created October 22, 2014 07:11
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正则例子
Raw
regexpDemo.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>RegExp Validate Demo</title>
</head>
<body>
<input type="text" id="txt" name="txt" />
<input type="button" id="btn" value="Validate Email" />
<div id="print"></div>
<script type="text/javascript">
window.onload = function() {
var txt = document.getElementById("txt");
var btn = document.getElementById("btn");
var print = document.getElementById("print");
var exp = /^\w+@[a-z0-9]+\.[a-z]{2,3}$/i;
btn.onclick = function() {
print.innerHTML = (exp.test(txt.value)) ? "success" : "failed";
};
};
</script>
</body>
</html>
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