search * for ^\\cat (|.*, )gis(, .*|$)
arcgis
:
\cat gis
arcobjects
:
\cat gis, arcgis, programming
arcview
:
\cat gis
avenue
:
\cat gis, arcview, programming
epsg
:
\cat gis
gis_data
:
\cat gis
grass
:
\cat gis, software