RegEx用一个字符串中的一个hypen替换多个hypen？asp.net c#

Question

string inputString = "Flat---Head-----Self-Tap-Scr---ews----3-x-10mm-8pc";
string outputString = "Flat-Head-Self-Tap-Scr-ews-3-x-10mm-8pc";

Answer 1

string inputString = "Flat---Head-----Self-Tap-Scr---ews----3-x-10mm-8pc";
string outputString = Regex.Replace(inputString , @"-+", "-", RegexOptions.None);