<html><head><script>function $(e){return document.getElementById(e);}function go(){var reg=/^[1-9]{1}[0-9]{14}$|^[1-9]{1}[0-9]{16}([0-9]|[xX])$/;if(reg.test($("check").value)){alert("ok");}else{alert("no");}}</script></head><body><input id="check" type="text" onchange="go()" /></body></html>
时间: 2024-10-15 22:55:45