using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(\d{1,2})[:. ]?(\d{0,2})[:. ]?(\d{0,2})[:. ]?([ap]?\.?m\.?)?";
string input = @"09:00:00
9:15
9.15
15:10
15:10:32
3:10 p.m.
3:10 pm
03:10:32 pm
10 am
10 a.m.
10am
10
";
RegexOptions options = RegexOptions.IgnoreCase | 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