##Mathematica, 70 bytes
Mathematica, 70 bytes
(w=ToString;t=0;Table[If[StringContainsQ[w@i,w@#1],t++],{i,#2,#3}];t)&
input
[12,-200,200]
output
24
##Mathematica, 70 bytes
(w=ToString;t=0;Table[If[StringContainsQ[w@i,w@#1],t++],{i,#2,#3}];t)&
input
[12,-200,200]
output
24
Mathematica, 70 bytes
(w=ToString;t=0;Table[If[StringContainsQ[w@i,w@#1],t++],{i,#2,#3}];t)&
input
[12,-200,200]
output
24