using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(-?[\d?]+)([^=\d?])(-?[\d?]+)=(-?[\d?]+)";
string input = @"1+1=?
123*45?=5?088
-5?*-1=5?
19--45=5?
??*??=302?
?*11=??
??*1=??
??+??=??
?33438-103326=410112";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
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