using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<=[(,])([^(),]* [^(),]*)(?=[),])";
string substitution = @",""$1"")";
string input = @"(AND(OR(SDLC,development life cycle),design,requirements,OR(biztalk,Websphere,TIBCO,Webmethods,ESB,enterprise service bus)))
AND(OR(SDLC,""development life cycle""),OR(banking,AML,anti-money laundering,KYC,know your customer),OR(technology strategy,technical strategy,technical architecture,technology architecture,architect*)";
RegexOptions options = RegexOptions.IgnoreCase;
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