从文件完整路径中检索没有扩展名的文件名

Question

I have a list of files and need to retrieve the filename(s) (Without extension) from file full path.

I generated a list print in command prompt (with path inside intentionally); and I need to replace the path with something else.

ie: [This is the *.txt file with generated content example]

C:\folder\files\img1.png  
C:\folder\files\img2.png  
C:\folder\files\img3.png  
C:\folder\files\img4.png  
...etc...

What im trying to achieve: Img1.png. or Img1

I'm using the code bellow, but I don't know how to use it correctly yet.

[Original Code]

File.WriteAllText("Path", Regex.Replace(File.ReadAllText("Path"), "[Pattern]", "Replacement"));

[The same code; but modified]

File.WriteAllText(@"C:\Folder\Files\print.txt", Regex.Replace(File.ReadAllText(@"C:\Folder\Files\print.txt"), "[C:\folder\files\]", "Copy "));

Answer 1

Couldn't you just use GetFileName and provide the string-value(s)? You can append the output to a string-builder and just rewrite the file.

Answer 2

This is how you can use it. You do not need to use RegEx in this case, because the string which you want to replace is well defined:

File.WriteAllText(@"C:\Folder\Files\print.txt", File.ReadAllText(@"C:\Folder\Files\print.txt").Replace(@"C:\folder\files\", "Copy "));