How we can modify a file? such as insert or remove a string from file in C#.

Answer 1

You can remove text from a string using the String.Remove method. .... Or you can download the samples as a zip file.

https://docs.microsoft.com/en-us/dotnet/csharp/how-to/modify-string-contents

Answer 2

What language?

Answer 3

C#

Answer 4

kalmr