Subject shoiuld have said YUM, not you.....
Seems like some work, some don't
[root@localhost ~]# yum list rpm\*
Loading "installonlyn" plugin
Setting up repositories
Reading repository metadata in from local files
Installed Packages
rpm.x86_64 4.4.2-40.fc7 installed
rpm-libs.x86_64 4.4.2-40.fc7 installed
rpm-python.x86_64
4.4.2-40.fc7 installed
Available Packages
rpm.x86_64 4.4.2-40.fc7 development
rpm-build.x86_64 4.4.2-40.fc7 development
rpm-devel.x86_64 4.4.2-40.fc7 development
rpm-devel.i386 4.4.2-40.fc7 development
rpm-libs.x86_64 4.4.2-40.fc7
development
rpm-libs.i386 4.4.2-40.fc7 development
rpm-python.x86_64 4.4.2-40.fc7 development
rpmdevtools.noarch
5.3-1.fc6 extras-developme
rpmlint.noarch 0.79-1.fc7 extras-developme
[root@localhost ~]# yum install xchat\*
Loading "installonlyn" plugin
Setting up Install Process
Setting up repositories
Reading repository metadata in from local files
Parsing package install arguments
No Match for argument: xchat*
Nothing to do
[root@localhost ~]# rpm -qa xchat\*
[root@localhost ~]#