using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^\€?(\d{1,3}[.](\d{3}[.])*\d{3}|\d+)([,]\d{1,2})?$";
string input = @"2345678914564644,61
€1.000.000,21
1.123.123
€0000000
€1.123.123,12
€1,123,123
";
RegexOptions options = RegexOptions.Multiline;
Match m = Regex.Match(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