t.substr (revision 28f6c2f292806bf31230a959bc4b19d7081669a7) - OpenGrok cross reference for /freebsd/contrib/one-true-awk/testdir/t.substr

1substr($2, 1, 1) ~ /[abc]/
2substr($2, length($2)) !~ /[a-z]/
3substr($2, length($2)) ~ /./
4