using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(\+?\d+ ?)?(\(\d{1,}\) ?)?([\d\- ]+)*\d$";
string input = @"+27824908354
+27 82 490 8354
+27(82)4908354
+27(82)490 8354
+27(82)490-8354
+27(82)490-- 8354
+27(82)490-8354
0824908354
(082)4908354";
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