php实现使用正则将文本中的网址转换成链接标签
内容摘要
\\1http://www.", $l);
$l = preg_replace("/([ \t]|^)ftp\./i", "\\1ftp://ftp.", $l);
$l = preg_replace("/(http:\/\/[^ )\r\n!]+)/i",
$l = preg_replace("/([ \t]|^)ftp\./i", "\\1ftp://ftp.", $l);
$l = preg_replace("/(http:\/\/[^ )\r\n!]+)/i",
文章正文
\\1http://www.", $l);
$l = preg_replace("/([ \t]|^)ftp\./i", "\\1ftp://ftp.", $l);
$l = preg_replace("/(http:\/\/[^ )\r\n!]+)/i",
"<a href=\"\\1\">\\1</a>", $l);
$l = preg_replace("/(https:\/\/[^ )\r\n!]+)/i",
"<a href=\"\\1\">\\1</a>", $l);
$l = preg_replace("/(ftp:\/\/[^ )\r\n!]+)/i",
"<a href=\"\\1\">\\1</a>", $l);
$l = preg_replace(
"/([-a-z0-9_]+(\.[_a-z0-9-]+)*@([a-z0-9-]+(\.[a-z0-9-]+)+))/i",
"<a href=\"mailto:\\1\">\\1</a>", $l);
$new_text .= $l."\n";
}
return $new_text;
}
$l = preg_replace("/([ \t]|^)ftp\./i", "\\1ftp://ftp.", $l);
$l = preg_replace("/(http:\/\/[^ )\r\n!]+)/i",
"<a href=\"\\1\">\\1</a>", $l);
$l = preg_replace("/(https:\/\/[^ )\r\n!]+)/i",
"<a href=\"\\1\">\\1</a>", $l);
$l = preg_replace("/(ftp:\/\/[^ )\r\n!]+)/i",
"<a href=\"\\1\">\\1</a>", $l);
$l = preg_replace(
"/([-a-z0-9_]+(\.[_a-z0-9-]+)*@([a-z0-9-]+(\.[a-z0-9-]+)+))/i",
"<a href=\"mailto:\\1\">\\1</a>", $l);
$new_text .= $l."\n";
}
return $new_text;
}
代码注释