Regex replace help

Posted by Jeremy on Stack Overflow See other posts from Stack Overflow or by Jeremy
Published on 2009-01-27T17:34:22Z Indexed on 2010/03/08 15:51 UTC
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Using the .NET framework, I'm trying to replace double slash characters in a string with a single slash, but it seems to be removing an extra character and I don't know why.

I have a string:


My regex is:


And the return value is:


You can see that the n in RCRSelfRegistration has been removed. I am not sure why.

/// <summary>
/// Match on double slashes (//, \\, /\, \/) but do not match :// or :\\
/// </summary>
private const string strMATCH = @"[^(://|:\\\\)](\\\\|//|\\/|/\\)";

/// <summary>
/// Replace double slashes with single slash
/// </summary>
/// <param name="strUrl"></param>
/// <returns></returns>
public static string GetUrl(string strUrl)
    string strNewUrl
    System.Text.RegularExpressions.Regex rxReplace =
      new System.Text.RegularExpressions.Regex(strMATCH);

    strNewUrl = rxReplace.Replace(strUrl, "/");

    return strNewUrl;

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