using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^[+-]?(?:[0-9]{1,5})?(?:\.[0-9]{1,2})?$";
string input = @"Valid
-1
+1
1
+.1
-.1
.1
+11111.11
-11111.11
11111
Invalid
+111111.11
-111111.11
+11111.111
-11111.111
11111.111
111111.11
+1.
-1.
1. ";
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