<?php
 
error_reporting(-1);
 
$text = "Раз, два, три, четыре zhirnaya-zhopa@google.ru, шесть, семь восемь, sosi-mc@     yandex.ru- десять, одиннадцать, двенадцать:lalkaazaza@123.ru, четырнадцать@. Шестнадцать 2ch.hk, восемнадцать sosiska @ mail.ru";
$regexp = '/([a-z0-9_+.\\-]+)\\s*@\\s*([a-z0-9_+.\\-]+)/i';
$matches = array();
 
$count = preg_match_all($regexp, $text, $matches);
 
	echo "Всего найдено e-mail'ов: {$count}.\n";
 
$base = $matches[0];
$paragraph = "\n";
$mailAdresses = implode($paragraph, $base);
$regexpSpaces = '/(\\s*@\\s*)/';
$cleanMailAdresses = preg_replace($regexpSpaces, '@', $mailAdresses);
 
	echo "Найденные e-mail'ы:\n{$cleanMailAdresses}";
 
?>

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