Version: (using KDE 4.2.4) OS: Linux Installed from: Slackware Packages It seems that Dolphin doesn't have the feature well established since long in Konqueror which is to display files using the '*' for example display all files with the same extension (*.extension) or display all files which name contains a given word (*word*) ...
Thanks for the bug report! This has been reported already (for the related issue of wildcards like '*' in the filter bar, see bug 208259). *** This bug has been marked as a duplicate of bug 155986 ***