RegEx and Vb.net /// "Unrecognized escape sequence"

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I have a fairly simple RegEx code below.

I am given a file name, (which I don't control) , and need to change a
folder name in it.



The code below is choking on the filename not being escaped.

"Unrecognized escape sequence"

While I can escape the findValue and replaceValue,
I don't necessarily control the fileName value. Aka, all I can do is
manually string.Replace the fileName value. (Unless someone knows better
than I)

Do I have to do a string.Replace here? ( to make all the \ into \\ )

Or am I missing some trick in vb.net.



----------Start VB.Net code



Dim fileName As String

fileName = "C:\wutemp\myfile.txt" '<< this is given to me, I cannot simply
say " filename = "C:\\wutemp\\myfile.txt" "

Dim replaceRegEx As System.Text.RegularExpressions.Regex = New
System.Text.RegularExpressions.Regex(fileName, getRegexOptions())

Dim findValue As String = "\wutemp\"

Dim replaceValue As String = "\newfolder\"

Dim newFileName As String = replaceRegEx.Replace(fileName, findValue,
replaceValue)







Private Function GetRegexOptions() As RegexOptions



Dim options As RegexOptions = New RegexOptions

options = options Or RegexOptions.IgnoreCase

Return options

End Function




PS
This is a repost. But I marked the other post (in .language.vb) as "IGNORE
do not reply here".

...




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