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DarkBASIC Discussion / How do you search strings? (DBC)

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aticper
19
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Joined: 27th Jan 2006
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Posted: 29th Oct 2006 21:25
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Hi all, I have a question about strings.

I'm trying to program a chatbot, and I want it to be able to look through the text put into it for keywords and assign the input with emotional values accordingly. The problem is that I'm not sure how one would go about searching strings for keywords or phrases.

If anyone could give me a hand with this, I'd be much obliged.


Ati

I'm not paranoid. Stop thinking that I'm paranoid!
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Grog Grueslayer
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Joined: 30th May 2005
Playing: Green Hell
Posted: 29th Oct 2006 22:29
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You can use a for/next loop to look at all the characters to find combinations.

The function at the bottom is something that all old Basic programmers here eventually make for themselves. In Darkbasic "mid$" only outputs one character... this function acts just like "mid$" we're used to in Basic.

I wrote this in Pro but it should work in Classic.
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aticper
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Joined: 27th Jan 2006
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Posted: 30th Oct 2006 18:25
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Okay, I see. I'll have to adapt it a bit for my uses but that looks like it'll do quite nicely.

Thanks!

Ati.

I'm not paranoid. Stop thinking that I'm paranoid!
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Grog Grueslayer
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Posted: 30th Oct 2006 20:30
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Np.
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Dracula
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Joined: 7th Aug 2006
Location: DBP Recreation of Castle Csejthe
Posted: 1st Nov 2006 17:03
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One thing I used to do is look for spaces " ", as this would indicate the beginning of a new word. Then look for the next space, which should indicate the end of that word. Check what's between the spaces (your found word$ within the string) against your word bank. I did this for an old text adventure back in QBasic days.

D
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