php公用函数列表[正则]

            [U]复制代码[/U] 代码如下:
\\1",$Text);  
  $Text=preg_replace("/\[h2\](.+?)\[\/h2\]/is","\\1",$Text);  
  $Text=preg_replace("/\[h3\](.+?)\[\/h3\]/is","\\1",$Text);  
  $Text=preg_replace("/\[h4\](.+?)\[\/h4\]/is","\\1",$Text);  
  $Text=preg_replace("/\[h5\](.+?)\[\/h5\]/is","\\1",$Text);  
  $Text=preg_replace("/\[h6\](.+?)\[\/h6\]/is","\\1",$Text);  
  $Text=preg_replace("/\[center\](.+?)\[\/center\]/is","\\1",$Text);  
  $Text=preg_replace("/\[url\](http:\/\/.+?)\[\/url\]/is","[url=]\\1[/url]",$Text);  
  $Text=preg_replace("/\[url\](.+?)\[\/url\]/is","[url=]http://\\1[/url]",$Text);  
  $Text=preg_replace("/\(.*)\[\/url\]/is","[url=]\\2",$Text);  
  $Text=preg_replace("/\(.*)\[\/url\]/is","[url=]\\2",$Text);  
  $Text=preg_replace("/\[img\](.+?)\[\/img\]/is","
[img][/img]
",$Text);  
  $Text=preg_replace("/\[color=(.+?)\](.+?)\[\/color\]/is","
[color=]\\2
",$Text);  
  $Text=preg_replace("/\[size=(.+?)\](.+?)\[\/size\]/is","\\2",$Text);  
  $Text=preg_replace("/\[sup\](.+?)\[\/sup\]/is","\\1",$Text);  
  $Text=preg_replace("/\[sub\](.+?)\[\/sub\]/is","\\1",$Text);  
  $Text=preg_replace("/\[pre\](.+?)\[\/pre\]/is","\\1",$Text);  
  $Text=preg_replace("/\[email\](.+?)\[\/email\]/is","[url=]\\1[/url]",$Text);  
  $Text=preg_replace("/\[i\](.+?)\[\/i\]/is","\\1",$Text);  
  $Text=preg_replace("/\[b\](.+?)\[\/b\]/is","\\1",$Text);  
  $Text=preg_replace("/\[quote\](.+?)\[\/quote\]/is","quote:\\1", $Text);  
  $Text=preg_replace("/\[code\](.+?)\[\/code\]/is","code:\\1", $Text);  
  $Text=preg_replace("/\[sig\](.+?)\[\/sig\]/is","
--------------------------
\\1
--------------------------", $Text);  
  return $Text;  
}
////////////////取得浏览者的ip地址/////////////////////////////
function getip() {  
   $IP=getenv('REMOTE_ADDR');  
   $IP_ = getenv('HTTP_X_FORWARDED_FOR');  
   if (($IP_ != "") && ($IP_ != "unknown")) $IP=$IP_;  
   return $IP;  
}  
function goback($num,$saying){
echo"

[url=]$saying[/url]"; } ///////////////////判断字符串中是否含有array中的某一值///////////////// function InString($array,$string){   while(list(,$value)=each($array)){    if(eregi($value,$string)){    return true;    exit;   }   } } ////////////////////链接到某一页面/////////////////////////////////////// function GoIn($addr,$saying){ echo"[table]

[url=]$saying[/url]

";
}
////////////////////JS返回//////////////////////////////////////////////
function IsInt($string){
  if(ereg("^[0-9]{0,}$",$string)){
  return true;
  }
   else {
  return false;
  }
}
?>