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Editorial Team
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Asked: 2026-05-24T02:20:43+00:00

I have a question on why this is happening. First, I’ll explain what is

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I have a question on why this is happening. First, I’ll explain what is going on. I am finding a line in a RichTextBox and taking a Split value and replacing it with the same value but with a decimal limit. Here is what my file looks like:

J6   INT-00113G  227.905  174.994    180   SOIC8
J3   INT-00113G  227.905  203.244    180   SOIC8
U13  EXCLUDES    242.210  181.294    180   QFP128

BUT for some reason I am getting this when I try to replace and output it back out… (the numbers appear twice in both the 3rd and 4th columns)

J6   INT-00113G  227.91227.91   174.99174.99     180   SOIC8
J3   INT-00113G  227.91227.91   203.24203.24     180   SOIC8
U13  EXCLUDES    242.21242.21   181.29181.29     180   QFP128

AND HERE IS MY CODE… WHAT IS THE ERROR TO MAKE IT DO THIS?

string[] myLines = placementTwoRichTextBox.Text.Split('\n');
foreach (string line in myLines)
{
    // Matches the entire line.
    Match theMatch = Regex.Match(line, @".*");

    if (theMatch.Success)
    {
        // Stores the matched value in string output.
        string output = theMatch.Value;

        // Replaces tabs and extra space with only 1 space delimiter
        output = Regex.Replace(output, @"\s+", " ");

        // Splits the specified regex into two different regexs.
        var componentItem = output.Split(' ');

        double d1 = Convert.ToDouble(componentItem[2]);
        double d2 = Convert.ToDouble(componentItem[3]);
        double round1 = Math.Round(d1, 2, MidpointRounding.AwayFromZero);
        double round2 = Math.Round(d2, 2, MidpointRounding.AwayFromZero);

        componentItem[2] = Regex.Replace(componentItem[2], @".*", round1.ToString());
        componentItem[3] = Regex.Replace(componentItem[3], @".*", round2.ToString());

        // Sets the RichTextBox to the string output.
        newPl2ItemsRichTextBox.AppendText(componentItem[0] + "   " + componentItem[1] + "   " + componentItem[2] +
            "   " + componentItem[3] + "   " + componentItem[4] + "   " + componentItem[5] + "\n");
    }
}

Does anyone know why this is happening?

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1 Answer

  1. Editorial Team

    Instead of doing all this, simply do your split, since you know index 2 and 3 contain your numbers… simply do something like:

    newPl2ItemsRichTextBox.AppendText(componentItem[0] + ” ” + componentItem[1] + ” ” + Math.Round(Convert.ToDouble(componentItem[2]), 2) + ” ” + Math.Round(Convert.ToDouble(componentItem[3]), 2) + ” ” + componentItem[4] + ” ” + componentItem[5] + “\n”);

    Avoid all the other steps, just split and print.

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