- s;^X-AIM((\;[a-Z0-9-]+|\;[a-Z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:aim:;;
- s;^X-ICQ((\;[a-Z0-9-]+|\;[a-Z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:aim:;;
- s;^X-GOOGLE-TALK((\;[a-Z0-9-]+|\;[a-Z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:xmpp:;;
- s;^X-JABBER((\;[a-Z0-9-]+|\;[a-Z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:xmpp:;;
- s;^X-MSN((\;[a-Z0-9-]+|\;[a-Z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:msn:;;
- s;^X-YAHOO((\;[a-Z0-9-]+|\;[a-Z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:ymsgr:;;
- s;^X-SIP((\;[a-Z0-9-]+|\;[a-Z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):(sip:)?;IMPP\1:sip:;;
+ s;^X-AIM((\;[A-z0-9-]+|\;[A-z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:aim:;;
+ s;^X-ICQ((\;[A-z0-9-]+|\;[A-z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:aim:;;
+ s;^X-GOOGLE-TALK((\;[A-z0-9-]+|\;[A-z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:xmpp:;;
+ s;^X-JABBER((\;[A-z0-9-]+|\;[A-z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:xmpp:;;
+ s;^X-MSN((\;[A-z0-9-]+|\;[A-z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:msn:;;
+ s;^X-YAHOO((\;[A-z0-9-]+|\;[A-z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):;IMPP\1:ymsgr:;;
+ s;^X-SIP((\;[A-z0-9-]+|\;[A-z0-9-]+=([^;,:"]+|"[^"]+")(,[^;,:"]+|,"[^"]+")*)*):(sip:)?;IMPP\1:sip:;;