using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<!\S)(-\S+-)(?!\S)|(?<!\S)-\S+(?![\S-])|(?<![\S-])\S+-(?!\S)";
string substitution = @"\1";
string input = @"here are -some- word sub-words -word1 word2- sub-word2 word3- -word4
-word5 example
word6-
word7-
another one -word8
-word9
ms$g-";
RegexOptions options = RegexOptions.Multiline;
Regex regex = new Regex(pattern, options);
string result = regex.Replace(input, substitution);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx