ambiguous grammar tokens

[babar haq]

hi ppl
its me again.
i am experiencing a problem regarding having correct tokens returned from lex 
function to yacc function.

i want two tokens to be returned for following expresions

-->1*(alpha-numeric) {return ALNUM;} means strings having one or more 
alpha-numeric characters.

-->4*(alpha-numeric|"-"|"."){return OTHER} means strings having four or more 
alphanumeric char or "-" or "." characters.

the problem is that lex function do not return tokens correctly. it returns 
ALNUM when i am expecting OTHER to be returned. or vice-versa.

what should i do??

thnx.
bye
-- 

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