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Revision: 7106
at July 7, 2008 03:00 by iTony
Initial Code 
function is_valid_email_address($email){

		$qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';

		$dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';

		$atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c'.
			'\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';

		$quoted_pair = '\\x5c[\\x00-\\x7f]';

		$domain_literal = "\\x5b($dtext|$quoted_pair)*\\x5d";

		$quoted_string = "\\x22($qtext|$quoted_pair)*\\x22";

		$domain_ref = $atom;

		$sub_domain = "($domain_ref|$domain_literal)";

		$word = "($atom|$quoted_string)";

		$domain = "$sub_domain(\\x2e$sub_domain)*";

		$local_part = "$word(\\x2e$word)*";

		$addr_spec = "$local_part\\x40$domain";

		return preg_match("!^$addr_spec$!", $email) ? 1 : 0;
	}
Initial URL 
http://www.iamcal.com/publish/articles/php/parsing_email/
Initial Description 

                                

                                                            

                                    

                                        

                                        Initial Title
                                        

                                    

                                    
check valid rfc822 email

                                

                                                            

                                    

                                        

                                        Initial Tags
                                        

                                    

                                    

                                

                                                            

                                    

                                        

                                        Initial Language
                                        

                                    

                                    
PHP