using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^([\+]?[1]?[\s]?(\d{3}|\(\d{3}\)))[\-|\s]?\d{3}[\-|\s]?\d{4}$";
string input = @"(555)
555-555-5555
(555)555-5555
(555) 555-5555
555 555 5555
5555555555
1-(555)5555555
555555555
55 555 5555
+1555 5555555
1 555 555 5555
1 (555) 555-5555
-1 (757) 622-7382
+1 (757) 622-7382
123**&!!asdf#
(6505552368)
1 555)555-5555
1 (555 555-5555
(555-555-5555
(\+|\+1|\+1\-|1\-|1)?(\s)?((\([0-9]{3}\)|[0-9]{3}))(\s|\-)([0-9]{3})(\s|\-)?([0-9]{3,4})
(?:(?:\+?
1
\s*
(?:[.-]\s*)?)?
(?:\(\s*([2-9]1[02-9]|[2-9][02-8]1|
[2-9][02-8][02-9])\s*\)|
(
[2-9]1[02-9]|
[2-9][02-8]1|
[2-9][02-8][02-9]))\s*
(?:[.-]\s*)?
)?
([2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)?
([0-9]{4})
(?:\s*(?:#|x\.?|ext\.?|extension)\s*
(\d+)
)?
";
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