Sergiy Karpenko schrieb: > > Hi, all > For axample we have a lexer rule: > > CHAR : ('a'..'z')|('0'..'9'); > > But, I want exclude from this sequence 'k' symbol. > Somethig like > EXTCHAR: CHAR ~'k' ; > > Thanks ANTLR doesn't support this kind of syntax, though it is sometimes quite handy. You have to do it manually. Johannes