Comparisons:
NOTE: Will indicate "True" or be blank

__Slugline: [_Slugline]
__Slugline (max="3"): [_Slugline max="3"]
uri: /4/story/

the True/False values are for http://www.thehawkeye.com/4/story/MCT-FED


MOS code UNcommented:
_Slugline contains "mct": [if "[_Slugline]" contains "mct"]True (should be False = blank)
_Slugline contains "MCT": [if "[_Slugline]" contains "MCT"]True (should be True)
_Slugline icontains "mct": [if "[_Slugline]" icontains "mct"]True (should be True)
_Slugline icontains "MCT": [if "[_Slugline]" icontains "MCT"]True (should be True)

_Slugline max="3" contains "mct": [if "[_Slugline max="3"]" contains "mct"]True (should be False = blank)
_Slugline max="3" contains "MCT": [if "[_Slugline max="3"]" contains "MCT"]True (should be True)
_Slugline max="3" icontains "mct": [if "[_Slugline max="3"]" icontains "mct"]True (should be True)
_Slugline max="3" icontains "MCT": [if "[_Slugline max="3"]" icontains "MCT"]True (should be True)

uri contains "/story/": [if "/4/story/" contains "/story/"]True (should be True)
uri icontains "/story/": [if "/4/story/" icontains "/story/"]True (should be True)
uri !contains "/story/": [if "/4/story/" !contains "/story/"]True (should be False = blank)
uri !icontains "/story/": [if "/4/story/" !icontains "/story/"]True (should be False = blank)

"Monkey" contains "key": True (should be True)
"Monkey" !contains "book": True (should be True)
"Monkey" icontains "Key": True (should be True)
"Monkey" !icontains "mon": (should be False = blank)

uri contains Slugline: [if "/4/story/" contains "[Slugline]"]True (should be True)
uri !contains Slugline: [if "/4/story/" !contains "[Slugline]"]True (should be False = blank)
uri icontains Slugline: [if "/4/story/" icontains "[Slugline]"]True (should be True)
uri !icontains Slugline: [if "/4/story/" !icontains "[Slugline]"]True (should be False = blank)

uri contains _Slugline: [if "/4/story/" contains "[_Slugline]"]True (should be True)
uri !contains _Slugline: [if "/4/story/" !contains "[_Slugline]"]True (should be False = blank)
uri icontains _Slugline: [if "/4/story/" icontains "[_Slugline]"]True (should be True)
uri !icontains _Slugline: [if "/4/story/" !icontains "[_Slugline]"]True (should be False = blank)


Sample links:
http://www.thehawkeye.com/4/story/MCT-FED
http://www.thehawkeye.com/4/story/Drought-071012