PHP Common validation Regular expression, PHP regular expression _php tutorial

PHP Common validation Regular expression, PHP regular expression

Number, mobile phone number, QQ number, URL address legality check

1. Verify that it is an integer

1 function isnumber ($val)2    {3             if(ereg  $val))4                 returntrue; 5             return false ; 6      }

2. Verify that the phone number is

1 function isphone ($val) {2             3           if (ereg("^1[ 1-9][0-9]{9}$ ",$val))4           returntrue; 5         return false ; 6     7           8     }

3. Verify that the QQ number is valid

1 function isqq ($val) {2             3           if (  Ereg("^[1-9][0-9]{4,12}$",$val))4           returntrue ; 5         return false ; 6     7           8     }

4. Verify that the URL address is legitimate

1 functionIsurl ($s)  {  2         return Preg_match('/^http[s]?:\ /\/'.3' (([0-9]{1,3}\.) {3} [0-9] {1,3} './/URL-199.194.52.184 in IP form4'|'.//Allow IP and domain (domain name)5' ([0-9a-z_!~*\ ' ()-]+\.) *'.//domain name-www. 6' ([0-9a-z][0-9a-z-]{0,61})? [0-9a-z]\.]//level two domain name7' [a-z]{2,6}] './/First level domain-. com or. Museum8' (: [0-9]{1,4})? './/Port-:9'((\/\?)|'.//a slash isn ' t required if there is no file nameTen' (\/[0-9a-za-z_!~\ ' \ (\) \[\]\.;\?:@&=\+\$,%#-\/^\*\|] *)?) $/', One             $s) = = 1;  A}

It is easy to use, such as verifying that the phone number is valid:

$val= ' 15093691582 '; Isphone ($val);

http://www.bkjia.com/PHPjc/1048725.html www.bkjia.com true http://www.bkjia.com/PHPjc/1048725.html techarticle PHP Common validation Regular expression, PHP regular expression number, mobile phone number, QQ number, URL address legality check 1. Verify that the integer 1 function isnumber ($val) 2 {3 if (Ereg ("^[0-...

