search * for ^\\cat (|.*, )palm(, .*|$)

cal2tsk: \cat palm, software
centro: \cat palm
event_floater: \cat palm, software
lyme: \cat palm, software
palm_db: \cat palm, software
tsk2cal: \cat palm, software
wiki_palm: \cat palm, software
wikiz: \cat palm, software
z22: \cat palm