using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";
string input = @"Please contact us at: support@github.com.
Just send email to s.miller@mit.edu and j.hopking@york.ac.uk for more information.
Many users @ SoftUni confuse email addresses. We @ Softuni.BG provide
high-quality training @ home or @ class. –- steve.parker@soft.de.
• Examples of valid emails: info@company-hotels.org, kiki@hotmail.co.uk, no-reply@github.com, s.peterson@mail.uu.net, info-bg@software-software.software.academy.
• Examples of invalid emails: --123@gmail.com, …@mail.bg, .info@info.info, _steve@yahoo.cn, mike@helloworld, mike@.unknown.soft., s.johnson@invalid-.
\b(\b[\w.\w]+\b)@(\b[\w.\w]+\b)\b
\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";
foreach (Match m in Regex.Matches(input, pattern))
{
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