VimGolfLetter case trickery
This file is in a downright esoteric format, consisting of hexadecimal numbers, non-hexadecimal keywords, and "Z" indicating end-of-line. Make the hexadecimal numbers lowercase.
Start file
A4E SUM 3C0Z 2B A9 NE F2Z
End file
a4e SUM 3c0Z 2b a9 NE f2Z
View Diff
1,2c1,2 < A4E SUM 3C0Z < 2B A9 NE F2Z --- > a4e SUM 3c0Z > 2b a9 NE f2Z
Solutions
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#522 Thomas Feiler / @SirTibsTibsford - Score: 45 - 09/04/13 @ 21:23
:%s-\<\([0-9A-F]\+\)\([Z$]*\)\>-\L\1\E\2-g<CR>ZZ
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#523 mathac / @mathacgolf - Score: 45 - 05/05/14 @ 19:29
:%s/A\|E\|C\|\B\|F/\L&/g<Left><Left><Left><Left><Left><Left><Left><Left><Left><Left><Left><Left><Left><Left><Left><Left><Left>4<CR>ZZ
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