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Regular Expression for WEB URL and Email

 
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IT Guy



Joined: 20 Aug 2007
Posts: 1
Location: Las Vegas, Nevada
PostPosted: Tue Nov 06, 2007 9:32 pm    Post subject: Regular Expression for WEB URL and Email Reply with quote
I am writing a form verification in PHP. Does any body know the regular expressioins for a web URL and for an email address.

Thanks
Mike
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SharkZoneDesign



Joined: 17 Mar 2007
Posts: 15
Location: Phoenix, Arizona
PostPosted: Tue Nov 06, 2007 9:48 pm    Post subject: Re: Regular Expression for WEB URL and Email Reply with quote
IT Guy wrote:
I am writing a form verification in PHP. Does any body know the regular expressioins for a web URL and for an email address.

Thanks
Mike


Hi Mike,

Below are a few regular expressions that I use. They are not full proof but work OK for form verification. I use these in a module.

Code:

var $regExprs = array (
   'num' => '/^\d+$/',
   'char' => '/^[^\t\n\r]+$/',
   'text' => '/.+/',
   'address' => '/^[\w\#\&\-\'\., ]+$/',
   'username' => '/^[\w\-\.\_ ]+$/',
   'password' => '/^[\w\!\@\#\$\%\^\&\*\-\=\?\:\;\<\>]+$/',
   'zip' => '/(^\d{5}$)|(^\d{5}-\d{4}$)/',
   'phone' => '/^\D*\d{3}?\D*\d{3}?\D*\d{4}?\D*$/',
   'email' => '/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$/i',
   'website' => '/^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}((:[0-9]{1,5})?\/.*)?$/i'
      );


Then the implementation code would look something like below:

Code:

$regex = $this->regExprs[ $type ];
if ( $regex )
{
   if (! preg_match( $regex, $line) )
   {
   $this->error = $this->errorMsgs[ $type ];
   }
}
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