DaniWeb IT Discussion Community - Lexer- Tokenizer problem

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n.aggel

Aug 30th, 2007 3:18 pm

Re: Lexer- Tokenizer problem

man, i did not know that boost had a parsing tool... unfortunately i was obligated to use bison and flex from the project guide lines!

n.aggel

Aug 30th, 2007 3:21 pm

Re: Lexer- Tokenizer problem

Quote:

Originally Posted by iamthwee (Post 426561)

First you gotta know what your regular expressions are doing.

To me string_component [0-9a-zA-Z \t\.!#$%^&()*@_] and the example you have given is contradictory, like salem mentioned.

ok, maybe it is contradictory, but how can you express in flex the concept i wrote before? eg recognize some tokens and consider everything else a string...

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