# Test the regexed example from the man page.
-dist/build/hath/hath <<< "10.0.0.0/29 10.0.0.8/29"
+echo "10.0.0.0/29 10.0.0.8/29" | dist/build/hath/hath
>>>
-((10)\.(0)\.(0)\.(0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15))
+((10)\.(0)\.(0)\.(15|14|13|12|11|10|9|8|7|6|5|4|3|2|1|0))
>>>= 0