using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"^(\d{2})(\d{2})(?P<MM>\d{2})(?P<DD>\d{2})(?P<HH>\d{2})(?P<mm>\d{2})(?P<ss>\d{2})\.(?P<SSSSSS>\d{6})(?P<ZZ>[-+]\d{3,4})$";
string substitution = @"$1/$2/$3 $4:$5:$6";
string input = @"20201222152131.000000+120
to
12/22/20 15:21:31";
RegexOptions options = RegexOptions.Multiline;
Regex regex = new Regex(pattern, options);
string result = regex.Replace(input, substitution);
}
}
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