javascript 正则表达式

//正则验证汉字空格方法
function ValidInputReg(obj) {
var reg = /[\u4e00-\u9fa5]/g; //汉字
if (reg.test(obj.value)) {
obj.value = obj.value.replace(reg, '');
}
var regspace = /(^\s+)|(\s+$)/g;//空格
if (regspace.test(obj.value)) {
obj.value = obj.value.replace(regspace, '');
}
}

//正则验证手机号
function ValidPhoneNumber(obj) {
var reg = /^(13[0-9]{9})|(15[089732165][0-9]{8})|(18[012356789][0-9]{8})$/; //手机号
if (!reg.test(obj.value)) {
obj.value = "";
}
}
/*===验证邮箱===*/
function ValidEmail(obj) {
var reg = /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/;
if (!reg.test(obj.value)) {
obj.value = "";
}
}
/*===验证身份证号===*/
function ValidCardNo(obj) {
var reg = /^(\d{15})$|^(\d{18})$|^(\d{17}(\d|X|x)$)/;
if (!reg.test(obj.value)) {
obj.value = "";
}
}