Thank you, it works in this format.
However i found a site with 4,7k user agents in this format:
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.1) Gecko/20060111 Firefox/1.5.0.1
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; en) Opera 8.0
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.5) Gecko/20031007 Firebird/0.7
Mozilla/4.04 [en] (WinNT; I)
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20060205 Galeon/2.0.0 (Debian package 2.0.0-2)
Opera/8.52 (X11; Linux i386; U; de)
Mozilla/5.0 (X11; U; NetBSD i386; en-US; rv:1.8.0.1) Gecko/20060310 Firefox/1.5.0.1
Mozilla/5.0 (X11; U; IRIX64 IP27; en-US; rv:1.4) Gecko/20030711
Mozilla/4.8 [en] (X11; U; IRIX64 6.5 IP27)
Mozilla/4.76 [en] (X11; U; SunOS 5.8 sun4m)
Opera/5.0 (SunOS 5.8 sun4m; U) [en]
Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.7) Gecko/20051122
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; de) Opera 8.53
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727)
Mozilla/5.0 (Windows; U; Windows NT 5.2; de; rv:1.8.0.1) Gecko/20060111 Firefox/1.5.0.1
Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.
Gecko/20060202 Firefox/1.5
Opera/8.51 (X11; Linux i386; U; de)
Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8.0.1) Gecko/20060111 Firefox/1.5.0.1
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; en) Opera 8.53
Mozilla/5.0 (Windows; U; Windows NT 5.1; de-DE; rv:1.7.12) Gecko/20050919 Firefox/1.0.7
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322; Alexa Toolbar)
Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.8.0.1) Gecko/20060111 Firefox/1.5.0.1
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051008 Firefox/1.0.7
Mozilla/4.0 (compatible; MSIE 6.0; X11; Linux i686; en) Opera 8.51
Mozilla/5.0 (compatible; Konqueror/3.4; Linux) KHTML/3.4.3 (like Gecko)
Mozilla/4.0 (compatible; MSIE 6.0; AOL 9.0; Windows NT 5.1; .NET CLR 1.1.4322; Alexa Toolbar)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Mozilla/4.8 [en] (Windows NT 5.1; U)
Opera/8.51 (Windows NT 5.1; U; en)
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Opera/8.51 (Windows NT 5.1; U; en;VWP-online.de)
Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8.0.1) Gecko/20060130 SeaMonkey/1.0
Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8.0.1) Gecko/20060130 SeaMonkey/1.0,gzip(gfe) (via translate.google.com)
Mozilla/5.0 (Windows; U; Windows NT 5.0; de; rv:1.8.0.1) Gecko/20060111 Firefox/1.5.0.1
BrowserEmulator/0.9 see
http://dejavu.org
Mozilla/4.0 (compatible; MSIE 5.5; Windows 98; Win 9x 4.90)
Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:0.9.4.1) Gecko/20020508
Mozilla/5.0 (Macintosh; U; PPC Mac OS X; de-de) AppleWebKit/125.2 (KHTML, like Gecko)
Mozilla/5.0 (X11; U; Linux i686; de-DE; rv:1.4) Gecko/20030624
Mozilla/5.0 (Windows; U; Windows NT 5.1; de-DE; rv:1.7.6) Gecko/20050321 Firefox/1.0.2
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Maxthon; .NET CLR 1.1.4322)
Mozilla/5.0 (X11; U; Linux i686; de-AT; rv:1.7.12) Gecko/20051013 Debian/1.7.12-1ubuntu1
Mozilla/5.0 (Windows; U; Windows NT 5.0; de; rv:1.
Gecko/20051111 Firefox/1.5
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322)
Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:0.9.4.1) Gecko/20020508 Netscape6/6.2.3
Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; de) Opera 8.50
Mozilla/3.0 (x86 [de] Windows NT 5.0; Sun)
But it doesn't work. How can i get this to work. This time i left the space, so that's not the reason.