function pregmessage($message, $rule, $getstr, $limit = 1)
{
$result = array('0' => '');
$rule = convertrule($rule);
//转义正则表达式特殊字符串
$rule = str_replace('\\[' . $getstr . '\\]', '\\s*(.+?)\\s*', $rule);
//解析为正则表达式
if ($limit == 1) {
preg_match("/{$rule}/is", $message, $rarr);
if (!empty($rarr[1])) {
$result[0] = $rarr[1];
}
} else {
preg_match_all("/{$rule}/is", $message, $rarr);
if (!empty($rarr[1])) {
$result = $rarr[1];
}
}
return $result;
}
function stringreplace($replace, $replaceto, $message)
{
if (is_array($replace)) {
foreach ($replace as $key => $val) {
$message = stringreplace($val, $replaceto[$key], $message);
}
} else {
if (!empty($replace)) {
$rule = convertrule($replace);
if (strpos($replaceto, '[string]') === false) {
$replacestr = $replaceto;
} else {
$replacestr = str_replace('[string]', "\${1}", $replaceto);
}
$message = preg_replace("/({$rule})/s", $replacestr, $message);
}
}
return $message;
}