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Home Backend Development PHP Tutorial 网址自动加链接和ubb代码冲突的问题,怎么解决?

网址自动加链接和ubb代码冲突的问题,怎么解决?

Jun 23, 2016 pm 02:19 PM

preg_replace("#((mms|http|https|ftp|telnet)(://)[.:@/\w\?\=\-\&\_\#\;\%\,\!\+]+)#i","\\1",$text);

上面是给一段文字里面的网址自动加链接的,但是有的ubb代码的链接不能自动加链接,要怎么排除?因为ubb会自动转换为链接。
比如这个: http://bbs.csdn.net/topics/new?forum_id=PHPBase
怎么排除有[url]或者[img]这种标签里面的链接不要自动加链接?或者有没有其它正则可以做到?
谢谢!


回复讨论(解决方案)

比如这个:【ubb】http://bbs.csdn.net/topics/new?forum_id=PHPBase【/ubb】

或者说我又要对ubb代码转换,又要对没有被ubb代码包起来的网址自动加上链接,怎么做到?

试试
preg_replace("#(?\\1",$text);

$text =<<< TXT上面是给一段文字里面的网址自动加链接的,但是有的ubb代码的链接不能自动加链接,要怎么排除?因为ubb会自动转换为链接。比如这个:http://bbs.csdn.net/topics/new?forum_id=PHPBase比如这个:【ubb】http://bbs.csdn.net/topics/new?forum_id=PHPBase【/ubb】TXT;echo preg_replace("#([^】])((mms|http|https|ftp|telnet)(://)[.:@/\w\?\=\-\&\_\#\;\%\,\!\+]+)(?>=【)?#isu","$1<a   href=$2 target=_blank>$2</a>",$text);
Copy after login
Copy after login
上面是给一段文字里面的网址自动加链接的,但是有的ubb代码的链接不能自动加链接,要怎么排除?因为ubb会自动转换为链接。
比如这个:http://bbs.csdn.net/topics/new?forum_id=PHPBase
比如这个:【ubb】http://bbs.csdn.net/topics/new?forum_id=PHPBase【/ubb】

试试
preg_replace("#(?\\1",$text);

好象可以,但是不是[ubb\]标签,上面1楼写错,应该是[img]和[url]这些标签,可以把[ubb\]换成[url\],但只能排除一个标签,怎么写可以排除多个?如还要排除[img\]

$text =<<< TXT上面是给一段文字里面的网址自动加链接的,但是有的ubb代码的链接不能自动加链接,要怎么排除?因为ubb会自动转换为链接。比如这个:http://bbs.csdn.net/topics/new?forum_id=PHPBase比如这个:【ubb】http://bbs.csdn.net/topics/new?forum_id=PHPBase【/ubb】TXT;echo preg_replace("#([^】])((mms|http|https|ftp|telnet)(://)[.:@/\w\?\=\-\&\_\#\;\%\,\!\+]+)(?>=【)?#isu","$1<a   href=$2 target=_blank>$2</a>",$text);
Copy after login
Copy after login
上面是给一段文字里面的网址自动加链接的,但是有的ubb代码的链接不能自动加链接,要怎么排除?因为ubb会自动转换为链接。
比如这个:http://bbs.csdn.net/topics/new?forum_id=PHPBase
比如这个:【ubb】http://bbs.csdn.net/topics/new?forum_id=PHPBase【/ubb】

====
这个【】号其实是[]这个号,因为个写成[]时在这里会自动转成链接看不到,所以写成【】

你自己换一下不就行了?

$text =<<< TXT上面是给一段文字里面的网址自动加链接的,但是有的ubb代码的链接不能自动加链接,要怎么排除?因为ubb会自动转换为链接。比如这个:http://bbs.csdn.net/topics/new?forum_id=PHPBase比如这个:[ubb]http://bbs.csdn.net/topics/new?forum_id=PHPBase[/ubb]TXT;echo preg_replace("#([^]])((mms|http|https|ftp|telnet)(://)[.:@/\w\?\=\-\&\_\#\;\%\,\!\+]+)#isu","$1<a   href=$2 target=_blank>$2</a>",$text);
Copy after login
Copy after login

你自己换一下不就行了?

$text =<<< TXT上面是给一段文字里面的网址自动加链接的,但是有的ubb代码的链接不能自动加链接,要怎么排除?因为ubb会自动转换为链接。比如这个:http://bbs.csdn.net/topics/new?forum_id=PHPBase比如这个:[ubb]http://bbs.csdn.net/topics/new?forum_id=PHPBase[/ubb]TXT;echo preg_replace("#([^]])((mms|http|https|ftp|telnet)(://)[.:@/\w\?\=\-\&\_\#\;\%\,\!\+]+)#isu","$1<a   href=$2 target=_blank>$2</a>",$text);
Copy after login
Copy after login


===
太谢谢了,我用你前面那个也可以
return preg_replace("#([^\]])((mms|http|https|ftp|telnet)(://)[.:@/\w\?\=\-\&\_\#\;\%\,\!\+]+)(?>=\[)?#isu","$1$2",$str);

后面那个也可以,谢谢。。。。

还有一个问题,就是前面有=号的怎么处理?就是这种格式:
[url=http://bbs.csdn.net/topics/new?forum_id=PHPBase]

谢谢,我改成这样可以:
echo preg_replace("#([^]|=])((mms|http|https|ftp|telnet)(://)[.:@/\w\?\=\-\&\_\#\;\%\,\!\+]+)#isu","$1$2",$text);

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