/usr/share/doc/logol/examples/vmatch.logol is in logol 1.6.10-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | mod1(LOGOLVAR1)==>(("tattaggtt":{$[0,1],$$[0,1]})|("tattaggtt":{$[0,2]})),"ggtgcaaaagtaattgcggtt":{$[0,10],$$[0,1]},LOGOLVAR2%S%:{#[0,30]},-"wc" "ggtgcaaaagtaattgcggtt":{$[0,10],$$[0,1]},(("aacctaata":{$[0,1],$$[0,1]})|("aacctaata":{$[0,2]}))
mod1(LOGOLVAR3)==*>SEQ1
|