custom emb arg regexp: cleanup by extracting format custom regexp to own function
custom emb arg regexp: cleanup by extracting format custom regexp to own function

ldtri0209/robotframework,ldtri0209/robotframework,fiuba08/robotframework,waldenner/robotframework,ldtri0209/robotframework,fiuba08/robotframework,fiuba08/robotframework,fiuba08/robotframework,waldenner/robotframework,waldenner/robotframework,waldenner/robotframework,ldtri0209/robotframework,ldtri0209/robotframework,fiuba08/robotframework,waldenner/robotframework