[PHP] PHP regular expression

[Mike Mapsnac]

Hello

I found this function online and want to understand how it works.
I don't understand /^ and $/. I know that ^ beginning of the string 
but what is /^.

Thanks

function validEmail($email)
{
   return 
preg_match(/^([a-zA-Z0-9])+([.a-zA-Z0-9_-])*@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-]+)+[a-zA-Z0-9_-]$/,$email);
}

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[PHP] PHP regular expression

[Rodrigo Peres]

Hi list,

I have a huge text file with many text on it. I'd like to know if someone
can help in construct a regular expression to delete everything that not
have this pattern Email: [EMAIL PROTECTED]. The part Email:  is fixed
and the email adress changes. I've tried many time to make the replace with
PHP, but I'm very new to regular expression.

Thank's

Rodrigo
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Re: [PHP] PHP regular expression

[S.Murali Krishna]

Here is it

$html = preg_replace('/?Email:\s+\w.*\.[\w.]*?/',,$html);

I tested it and its working.

On Tue, 12 Mar 2002, Rodrigo Peres wrote:

 Hi list,
 
 I have a huge text file with many text on it. I'd like to know if someone
 can help in construct a regular expression to delete everything that not
 have this pattern Email: [EMAIL PROTECTED]. The part Email:  is fixed
 and the email adress changes. I've tried many time to make the replace with
 PHP, but I'm very new to regular expression.
 
 Thank's
 
 Rodrigo
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