Summary of the use of common regular expressions in forms in PHP

黄舟
Release: 2023-03-16 14:10:02
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php中关于表单常用正则表达式的使用总结

function is_email($str){ //检验email return preg_match("/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/", $str); } function is_url($str){ //检验网址 return preg_match("/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"]) *$/", $str); } function is_qq($str){ //检验qq return preg_match("/^[1-9]\d{4,8}$/", $str); } function is_zip($str){ //检验邮编 return preg_match("/^[1-9]\d{5}$/", $str); } function is_idcard($str){ //检验身份证 return preg_match("/^\d{15}(\d{2}[A-Za-z0-9])?$/", $str); } function is_chinese($str){ 检验是否是中文 return ereg("^[".chr(0xa1)."-".chr(0xff)."]+$",$str); } function is_english($str){ //检验是否是英文 return preg_match("/^[A-Za-z]+$/", $str); } function is_mobile($str){ //检验是否是手机 return preg_match("/^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/", $str); } function is_phone($str){ //建云那是否是电话 return preg_match("/^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/", $str); } function is_safe($str){ return (preg_match("/^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|. {0,5})$|\s/", $str) != 0); } }
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