Codice PHP: echo preg_replace('/(^(\|\<br \/>| |\r\n|\n|\r)*)|((\<br(\s*\/)?>| |\r\n|\n|\r)*$)/i', '', $var);
echo preg_replace('/(^(\|\<br \/>| |\r\n|\n|\r)*)|((\<br(\s*\/)?>| |\r\n|\n|\r)*$)/i', '', $var);
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