php preg_match正则表达式函数实例，phppregmatch函数

<?<span>php
</span><span>$str</span>="Daniel J. Gross Catholic High School A. is a faith and family based community committed to developing Christian leaders through educational excellence in the Marianist tradition."<span>;
</span><span>if</span>(<span>preg_match</span>("/[A-Z]. /",<span>$str</span>,<span>$matches</span><span>)){
    </span><span>print_r</span>(<span>$matches</span><span>);
}
</span>?>

<span>Array</span> ( [0] => J. )