using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?:
\s[abcd](?:[0-9][a-z0-9]{3}|[0-9o][0-9o)][0-9][0-9a-z]|[0-9o][0-9a-z)][0-9a-z][0-9])
|
[^a-z0-9][abcd]\s[0-9][0-9a-z]{3}
)(?!\S)";
string input = @" A0ABC B0ABC ";
RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace;
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