$donen = preg_replace('|\[color=([a-z0-9#]*?)\](.*?)\[/color\]|si','<font color="\\1">\\2</font>',$donen);

$donen = preg_replace('|\[yahoo\]http://video.yahoo.com/watch/([a-z0-9?&\\/\-_.:,=#@]+?)/([a-z0-9?&\\/\-_.:,=#@]+?)\[/yahoo\]|si','<object width="512" height="322"><param name="movie" value="http://d.yimg.com/static.video.yahoo.com/yep/YV_YEP.swf?ver=2.2.30" /><param name="allowFullScreen" value="true" /><param name="AllowScriptAccess" VALUE="always" /><param name="bgcolor" value="#000000" /><param name="flashVars" value="id=\\2&vid=\\1&lang=en-us&intl=us&thumbUrl=http%3A//us.i1.yimg.com/us.yimg.com/i/us/sch/cn/v/v0/w467/\\1_400_300.jpeg&embed=1" /><embed src="http://d.yimg.com/static.video.yahoo.com/yep/YV_YEP.swf?ver=2.2.30" type="application/x-shockwave-flash" width="512" height="322" allowFullScreen="true" AllowScriptAccess="always" bgcolor="#000000" flashVars="id=\\2&vid=\\1&lang=en-us&intl=us&thumbUrl=http%3A//us.i1.yimg.com/us.yimg.com/i/us/sch/cn/v/v0/w467/\\1_400_300.jpeg&embed=1" ></embed></object>',$donen);

onclick="islem('ileri',''), olay_fare_tik(this), setTimeout('olay_fare_tik2(\'bbcode_ileri\')', 100)"></div>

<div class="sabit_katman"><img src="temalar/5renkli/resimler/bbcode/yahoo.gif" border="0" width="23" height="23" alt="yahoo" title="Seçili adresdeki videoyu göster" class="bbcode" id="bbcode_yahoo" onmouseover="olay_fare_ustune(this)" onmouseout="olay_fare_cekme(this)" onclick="islem('yahoo',prompt('Videonun Adresini Yazınız', 'http://'))"></div>

if(deger1)bbKodEkle('[youtube]'+deger1+'[/youtube]','','\r\n[youtube]'+deger1+'[/youtube]');}}

else if(komut=='yahoo'){if(div_katman.style.display=='inline')HtmlEkle2('[yahoo]'+deger1+'[/yahoo]','',' ');else bbKodEkle('[yahoo]'+deger1+'[/yahoo]','','\r\n[yahoo]'+deger1+'[/yahoo]');}

$donen = preg_replace('|\[yahoo\]http://video.yahoo.com/watch/(.*?)/(.*?)\[/yahoo\]|si','<embed src="http://d.yimg.com/static.video.yahoo.com/yep/YV_YEP.swf?ver=2.2.30" type="application/x-shockwave-flash" width="512" height="322" allowFullScreen="true" AllowScriptAccess="always" bgcolor="#000000" flashVars="id=\\2&vid=\\1&lang=en-us&intl=us&thumbUrl=http%3A//us.i1.yimg.com/us.yimg.com/i/us/sch/cn/video03/\\1_400_300.jpeg&embed=1" ></embed>',$donen);