using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"0x(([[:xdigit:]]{7}\b)|([[:xdigit:]]{6}\b)|([[:xdigit:]]{5}\b)|([[:xdigit:]]{4}\b)|([[:xdigit:]]{3}\b)|([[:xdigit:]]{2}\b)|([[:xdigit:]]{1}\b))";
string substitution = @"0x(?{2}0)(?{3}00)(?{4}000)(?{5}0000)(?{6}00000)(?{7}000000)(?{8}0000000)${1}";
string input = @"{0x1023350, 0x3014},
{0x1023954, 0x3007},
{0x1023960, 0x10F},
{0x102396C, 0x2FF},
{0x10219, 0x16},";
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