常用正则表达式

 

// JavaScript Document/*验证汉字*/function isHanZi(str){var reg=/^[\u0391-\uFFE5]+$/;return reg.test(str)}/*验证整数*/function isInteger(str){var reg=/^\d+$/;return reg.test(str)}/*验证数字*/function isNum(str){var reg=/^[-\+]?\d+$/;return reg.test(str)}/*验证邮箱*/function isEmail(str){var reg=/^\w+([-+.]\w+)*@\w+([-.]\\w+)*\.\w+([-.]\w+)*$/;return reg.test(str)}/*验证电话号码格式：029-87654321*/function isPhone(str){var reg=/^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/;return reg.test(str)}/*验证手机号码*/function isMobile(str){var reg=/^(13[0-9]|15[0|3|6|7|8|9]|18[8|9])\d{8}$/;return reg.test(str)}/*验证邮政编码*/function isPostCode(str){var reg=/^[0-9]\d{5}$/;return reg.test(str)}/*验证QQ号码*/function isQQ(str){var reg=/^[1-9][0-9]{4,}$/;return reg.test(str)}/*验证身份证号码 15位的18位的大陆身份证号*/function isIDCard(str){var strRegExp="^((11|12|13|14|15|21|22|23|31|32|33|34|35|36|37|41|42|43|44|45|46|50|51|52|53|54|61|62|63|64|65)"+"[0-9]{4})(([1|2][0-9]{3}[0|1][0-9][0-3][0-9][0-9]{3}[xX0-9])|([0-9]{2}[0|1][0-9][0-3][0-9][0-9]{3}))$"var re=new RegExp(strRegExp);//var reg=/^[\d]{6}(19|20)*[\d]{2}((0[1-9])|(11|12))([012][\d]|(30|31))[\d]{3}[xX\d]*$/;return re.test(str)}/*验证网址*/function isUrl(str){var strRegex = "^((https|http|ftp|rtsp|mms)?://)" + "?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?" //ftp的user@+ "(([0-9]{1,3}\.){3}[0-9]{1,3}" // IP形式的URL- 199.194.52.184+ "|" // 允许IP和DOMAIN（域名）+ "([0-9a-z_!~*'()-]+\.)*" // 域名- www.+ "([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\." // 二级域名+ "[a-z]{2,6})" // first level domain- .com or .museum+ "(:[0-9]{1,4})?" // 端口- :80+ "((/?)|" // a slash isn't required if there is no file name+ "(/[0-9a-z_!~*'().;?:@&=+$,%#-]+)+/?)$";var re=new RegExp(strRegex);return re.test(str)}