1ï¼
function isEnAndNum(s,msg){
var reg=/^[a-z0-9.]*$/gi
if(reg.test(s.value))return true
else {
alert((msg?msg:'请ä¸è¦è¾å
¥åæ¯åæ°åæå¤çå符ï¼'));
s.focus();
s.select();
return false;
}
}
2ï¼
<input onkeyup="value="/oblog/value.replace(/[W]/g,"'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^d]/g,''))">
3ï¼
<input type="text" name="admin_name" size="20" onKeypress="if ((event.keyCode > 32 && event.keyCode < 48) || (event.keyCode > 57 && event.keyCode < 65) || (event.keyCode> 90 && event.keyCode < 97) || (event.keyCode> 122 && event.keyCode < 127)) event.returnvalue = false;">
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