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Home/ Questions/Q 1024001
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Editorial Team
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Editorial Team
Asked: May 16, 20262026-05-16T11:42:49+00:00 2026-05-16T11:42:49+00:00

I have this text file that contains approximately 22 000 lines, with each line

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I have this text file that contains approximately 22 000 lines, with each line looking like this:

12A4 (Text)

So it’s in the format 4-letter/number (Hexdecimal) and then text. Sometimes there is more than one value in text, separated by a comma:
A34d (Text, Optional)

Is there any efficient way to search for the Hex and then return the first text in the parentheses? Would it be much more effective if I stored this data in SQLite?

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  1. Editorial Team
    Editorial Team
    2026-05-16T11:42:50+00:00Added an answer on May 16, 2026 at 11:42 am

    Example using substring and split.

            string value = "A34d (Text, Optional)";
    
            string hex = value.Substring(0, 4);
            string text = value.Split('(')[1];
    
            if (text.Contains(','))
                text = text.Substring(0, text.IndexOf(','));
            else
                text = text.Substring(0, text.Length-1);
    

    For searching use a Dictionary.

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