获取字符串中的连接地址

app/common.php

@@ -1058,7 +1058,7 @@ function preg_link($text){
         return $text;
     }
     // 匹配更广泛的 URL 的正则表达式
-    $pattern ='/\b(?:https?:\/\/|ftp:\/\/)?([a-z0-9-+&@#\/%?=~_|!:,.;]*\.[a-z]{2,}(?:\/[a-z0-9-+&@#\/%?=~_|!:,.;]*)*)\b/i';
+    $pattern = '~(?:\b(?:https?|ftp)://[^\s<>]+(?::\d{1,5})?(?:/[^\s?#]*(?:\?[^\s#]*)?(?:\#[^\s]*)?)?|\bwww\.[^\s<>]+(?::\d{1,5})?(?:/[^\s?#]*(?:\?[^\s#]*)?(?:\#[^\s]*)?)?)(?!\w)~xi';
     // 使用preg_replace()函数将URL转换为<a>标签
     $replaced_text = preg_replace_callback($pattern, function($matches) {
         $url = $matches[0];