(* how to transform "abc2" into "abc3" ? *)
string = "abc2"; regex = ".$"; newString = StringReplace[string, RegularExpression[regex] -> IntegerString[1+$0 ]]
(* output expected: "abc3" - but output is:
"abc"~~IntegerString[1+$0]
*)
In[1]:= string = "abc2"; In[2]:= StringJoin[StringDrop[string, {4}], ToString[(ToExpression@StringPart[string, 4] + 1)]] Out[2]= "abc3"
