Why do I get a "NoViableAltException" when parsing "3", but when parsing "asd"
I get "asd" (in the ANTLRWorks Interpreter):
top : expr;
expr : multExpr (('+'|'-') multExpr)*;
multExpr: atom ('*' atom)*;
atom : NUM | ID | '(' expr ')';
LETTER : 'a'..'z' | 'A'..'Z';
DIGIT : '0'..'9';
ID : LETTER (LETTER | DIGIT)*;
NUM : DIGIT+ ('.' DIGIT+)?;
TIA,
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Rick
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