Replace multiple characters in a C# string

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You can use a replace regular expression.

s/[;,\t\r ]|[\n]{2}/\n/g
  • s/ at the beginning means a search
  • The characters between [ and ] are the characters to search for (in any order)
  • The second / delimits the search-for text and the replace text

In English, this reads:

“Search for ; or , or \t or \r or (space) or exactly two sequential \n and replace it with \n“

In C#, you could do the following: (after importing System.Text.RegularExpressions)

Regex pattern = new Regex("[;,\t\r ]|[\n]{2}");
pattern.Replace(myString, "\n");

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