using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(?=.?\d)(?!(.*?\.){2,})[\d.]+$|^(?=.?\d)(?!(.*?,){2,})[\d,]+$";
string substitution = @"";
string input = @"1
123
123.
123.4
123.456
.456
123,
123,4
123,456
,456
0.,1
0a,1
0..1
1.1.2
100,000.99
100.000,99
,
.";
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