Revision history of "remove all characters not in second string" (Z14515)
Ebyokugerageranizibwa: nyiga obutonnyeze ku likooda zoyagala okugerageranya olyoke onyige eppeesa erya 'Enter'
oba ku gano agali ku lupapula luno.
Ebigambo: (erw) = enjawulo ku ebiriwo, (eku) = enjawulo ku egikulembera, N = enkyukakyuka entono.