unexpected '@' in preg_replace???

hi list, I have this code: <?php $mit = array( "/\r/", // Non-legal carriage return "/[\n\t]+/", // Newlines and tabs '/[ ]{2,}/', // Runs of spaces, pre-handling '/<script[^>]*>.*?<\/script>/i', // <script>s -- which strip_tags supposedly has problems with '/<style[^>]*>.*?<\/style>/i', // <style>s -- which strip_tags supposedly has problems with '/<h[123][^>]*>(.*?)<\/h[123]>/ie', // H1 - H3 '/<h[456][^>]*>(.*?)<\/h[456]>/ie', // H4 - H6 '/<p[^>]*>/i', // <P> '/<br[^>]*>/i', // <br> '/<b[^>]*>(.*?)<\/b>/ie', // <b> '/<strong[^>]*>(.*?)<\/strong>/ie', // <strong> '/<i[^>]*>(.*?)<\/i>/i', // <i> '/<em[^>]*>(.*?)<\/em>/i', // <em> '/(<ul[^>]*>|<\/ul>)/i', // <ul> and </ul> '/(<ol[^>]*>|<\/ol>)/i', // <ol> and </ol> '/<li[^>]*>(.*?)<\/li>/i', // <li> and </li> '/<li[^>]*>/i', // <li> '/<a [^>]*href="([^"]+)"[^>]*>(.*?)<\/a>/ie', // <a href=""> '/<hr[^>]*>/i', // <hr> '/(<table[^>]*>|<\/table>)/i', // <table> and </table> '/(<tr[^>]*>|<\/tr>)/i', // <tr> and </tr> '/<td[^>]*>(.*?)<\/td>/i', // <td> and </td> '/<th[^>]*>(.*?)<\/th>/ie', // <th> and </th> '/&(nbsp|#160);/i', // Non-breaking space '/&(quot|rdquo|ldquo|#8220|#8221|#147|#148);/i', // Double quotes '/&(apos|rsquo|lsquo|#8216|#8217);/i', // Single quotes '/&gt;/i', // Greater-than '/&lt;/i', // Less-than '/&(amp|#38);/i', // Ampersand '/&(copy|#169);/i', // Copyright '/&(trade|#8482|#153);/i', // Trademark '/&(reg|#174);/i', // Registered '/&(mdash|#151|#8212);/i', // mdash '/&(ndash|minus|#8211|#8722);/i', // ndash '/&(bull|#149|#8226);/i', // Bullet '/&(pound|#163);/i', // Pound sign '/&(euro|#8364);/i', // Euro sign '/&[^&;]+;/i', // Unknown/unhandled entities '/[ ]{2,}/' // Runs of spaces, post-handling ); $mire = array( '', // Non-legal carriage return ' ', // Newlines and tabs ' ', // Runs of spaces, pre-handling '', // <script>s -- which strip_tags supposedly has problems with '', // <style>s -- which strip_tags supposedly has problems with "strtoupper(\"\n\n\\1\n\n\")", // H1 - H3 "ucwords(\"\n\n\\1\n\n\")", // H4 - H6 "\n\n\t", // <P> "\n", // <br> '_\\1_', // <b> '_\\1_', // <strong> '_\\1_', // <i> '_\\1_', // <em> "\n\n", // <ul> and </ul> "\n\n", // <ol> and </ol> "\t* \\1\n", // <li> and </li> "\n\t* ", // <li> '$this->_build_link_list("\\1", "\\2")', // <a href=""> "\n-------------------------\n", // <hr> "\n\n", // <table> and </table> "\n", // <tr> and </tr> "\t\t\\1\n", // <td> and </td> "strtoupper(\"\t\t\\1\n\")", // <th> and </th> ' ', // Non-breaking space '"', // Double quotes "'", // Single quotes '>', '<', '&', '(c)', '(tm)', '(R)', '--', '-', '*', '£', 'EUR', // Euro sign. € ? '', // Unknown/unhandled entities ' ' // Runs of spaces, post-handling ); $dokumentum = <<<EOF <p>zoltan.<strong>nemeth@moveonerelo.com</strong></p><p><strong>zoltan.n<em>emeth@mov</em></strong><em>eonerelo.com</em></p><p><em>zoltan.nemeth@mov</em>eonerelo.com</p><p>zoltan.nemeth@moveonerelo.com&nbsp;</p> EOF; $szoveg = preg_replace ($mit, $mire, $dokumentum); echo $szoveg; ?> And it throws the following error: Parse error: syntax error, unexpected '@' in /home/znemeth/public_html/test/pregreplacetest1.php(94) : regexp code on line 1 Fatal error: preg_replace() [<a href='function.preg-replace'>function.preg-replace</a>]: Failed evaluating code: _nemeth@moveonerelo.com_ in /home/znemeth/public_html/test/pregreplacetest1.php on line 94 it appears both on PHP Version 4.4.7-0.dotdeb.0 and PHP Version 5.2.4-0.dotdeb.0 does anybody know what's this? why can a '@' in the subject text cause any problems? any help greatly appreciated thanks in advance Zoltán Németh