Informática Multimedia 1995 April/Informatica Multimedia CD - Epimundo.iso/DOS/FILE_CHG/AWK.ZIP/PAT.AWK

Text File | 1987-12-11 | 71 b | 2 lines

NF==1{ if ( $1 ~ /^ab(ab|ba)*abba$/ ) print "yes" ; else print "no" }