problem with string:tokens
Tue Jun 30 22:57:04 CEST 2009
"info" <> writes:
> Hi All,
> I have two strings: S1="A,,C,D" and S2="A,B,,D"
> I do string:tokens(S1) : "A","C","D" length =3
> I do string:tokens(S2) : "A","B","D" length = 3
> Imagine the string S = S1 or S2
> How can I know if B is absent or C ?
> It is a general question of course ! the tokens function cannot
> separate the tokens with a composite string unfortunately (here ",,")
perhaps this is what you need?
lists:member($B,S1) -> false
lists:member($C,S1) -> true
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