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// 匹配邮箱let reg = /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$// (新)匹配手机号let reg = /^1[0-9]{10}$/;// (旧)匹配手机号let reg = /^1(3|4|5|7|8)[0-9]{9}$/;// 匹配8-16位数字和字母密码的正则表达式let reg = /^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{8,16}$/;// 匹配国内电话号码 0510-4305211let reg = /\d{3}-\d{8}|\d{4}-\d{7}/;// 匹配身份证号码let reg=/(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/;// 匹配腾讯QQ号let reg = /[1-9][0-9]{4,}/;// 匹配ip地址let reg = /\d+\.\d+\.\d+\.\d+/;// 匹配中文let reg = /^[\u4e00-\u9fa5]*$/;