[antlr-interest] how to match '.' ?

[fhaupt at informatik.uni-wuerzburg.de]

Hi there,

i have the following rules:

test	:	STRING ' ' PUNKTUATION ' ' STRING;

PUNKTUATION 
	:	 '.'|','|'!'|'?'|':'|'\\'|'/'|'$'|';'|'"'|')'|'(';
		
STRING	:	('a'..'z'|'A'..'Z'|'0'..'9'|'\.'|'-')+;



this matches 
'hallo ( test', 'hallo ? test', 'hallo : test', etc ..

but noch anything like 
'hallo . test' (or !,\,/," instead of . ) 

do I have to escape those? i've tried 

PUNKTUATION
        :        '\.'|','|'!'|'?'|':'|'\\'|'/'|'$'|';'|'"'|')'|'(';

as rule, but 'hallo . test' still isn't matched.

i'm using antlr-3.0b5.

thanks for any suggestions in advance.




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