Replace All Special Characters with Underscore Or Space in asp.net c#

Simple method to replace all the special characters with underscore or space.

Here is the code, while inserting data you can replace characters with this code step.

cmd.Parameters.AddWithValue("@column_name", Regex.Replace(txt_hedng.Text, "[^a-zA-Z0-9]+", "_"));

Another Example

 string quote = "being #cool is so difficult !!";

string replace = Regex.Replace(quote, "[^a-zA-Z0-9_]+", " ");
Output

 being cool is so difficult


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