using System;

using System.IO;

using System.Text.RegularExpressions;

/// <summary>

/// Замена текста в файле

/// </summary>

/// <param name="filePath">Path of the text file.</param>

/// <param name="searchText">Text to search for.</param>

/// <param name="replaceText">Text to replace the search text.</param>

static public void ReplaceInFile( string filePath, string searchText, string replaceText )

{

StreamReader reader = new StreamReader( filePath );

string content = reader.ReadToEnd();

reader.Close();

content = Regex.Replace( content, searchText, replaceText );

StreamWriter writer = new StreamWriter( filePath );

writer.Write( content );

writer.Close();

}