string replace with regex c# code example

Example 1: c# regex replace

Regex.Replace(
  "input string", @"[a-zA-Z]+", "replace string"
);

Example 2: regex replace /

// replaces all / in a String with _
str = str.replace(/\//g,'_');

Example 3: c# replace regex string

string pattern = @"\bwest\b";
string modifiedString = Regex.Replace(input, pattern, strReplacement, RegexOptions.IgnoreCase);