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Posted by Stefan Rybacki on 11/17/05 17:50
marcoponte wrote:
> I have a string S and i want to verify if specific substrings S1, S2,
> ... occur in S according to any possible boolean expression. E.g.
> return a value of TRUE if (S1 AND S2) OR (S3 AND S4) AND NOT S5 occur
> in S. S is considered to be a continuous stream of characters
In what style do you get the boolean expression? A string?
Regards
Stefan
>
> How do i program this in PHP, where the boolean expressions can be
> anything ?
>
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