< script type ="text/javascript" > ... String.prototype.Trim = function() ...{ var m = this.match(/^s*(S+(s+S+)*)s*$/); return (m == null) ? "" : m[1]; }String.prototype.isMobile = function() ...{ return (/^(?:13d|15[89])-?d...{5}(d...{3}|*...{3})$/.test(this.Trim())); } String.prototype.isTel = function()...{ //"兼容格式: 国家代码(2到3位)-区号(2到3位)-电话号码(7到8位)-分机号(3位)" //return (/^(([0+]d{2,3}-)?(0d{2,3})-)?(d{7,8})(-(d{3,}))?$/.test(this.Trim())); return (/^(([0+]d...{2,3}-)?(0d...{2,3})-)(d...{7,8})(-(d...{3,}))?$/.test(this.Trim()));}function chkForm() ...{ with(document.form1)...{ if (tel.value.isMobile()||tel.value.isTel()) ...{ tel.value = tel.value.Trim(); alert("您的电话/手机号码是:" + tel.value); return true; } else ...{ alert("请输入正确的手机号码或电话号码 例如:13916752109或0712-3614072"); tel.focus(); return false; } }} </ script > < form name ="form1" method ="post" action ="" > < input type ="text" name ="tel" value ="13916752109" size ="15" /> < input type ="button" value ="测 试" onclick ="return chkForm()" /> </ form >