in reply to
data cleaning - removing text from variables
Regex's are your friend.
#perl -e '$_="1aa23.4a";$_=~s/[a-f]//gi;print "$_\n"'
Non-existent; I don't have TV
Non-existent; my TV doesn't have/need a remote
Under my control; I watch alone
Under the control of whoever shouts loudest
Under the control of whoever gets it first
One of many, and the TV has a mind of its own
Results (496 votes),