using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"((\\\()((?!(\\\()|(\\\))).)*(\\\)))";
string substitution = @"<math>$1</math>";
string input = @"y = x2 or \(x = \sqrt{y}\) . For all \(y \geq 0\), x is defined. Thus, y is set of all non-negative and real number. Hence, range is \(y \geq 0\) or [0, ∞).";
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