日期:2014-05-16 浏览次数:20314 次
<!DOCTYPE HTML> <html> <head> <meta charset="gb2312" /> <title></title> <style> body {font-size:12px;} </style> </head> <body> <input id="t" /> <button id="btn">匹配吗?</div> <script> function $(el){ return typeof el == 'string' ? document.getElementById(el) : el; } $('btn').onclick = function(){ var s = $('t').value; var re = /^[a-z]\d$/i; if(re.test(s)){ alert('匹配') }else{ alert('不匹配') } } </script> </body> </html>
------解决方案--------------------
<script>
function f()
{
var regex = /^[a-z]\d$/i
var v = document.getElementById('i').value;
if(regex.test(v)) alert('正确')
else alert('错误')
}
</script>
<input id='i'/>
<input type='button' value='BTN' onclick='f()'/>