using System;
using System.Text.RegularExpressions;
 
public class Test
{
	public static void Main()
	{
		string s = "Damon Brown\nFlat B University Place\n26 Park Square \nLondon\nTW1 1AJ Twickenham    Mobile: +44 (0) 7711223344\nMobile: 1111 22222\nEmail: dabrown192882@gmail.com    Date of birth: 21/03/1986\nGender: Male\nMarital Status: Single\nNationality: English\nSummary\nI have acquired a multifaceted skill set with experience using several computing platforms."; 
        string expression = @"(?i)\b(gir 0a{2})|((([a-z][0-9]{1,2})|(([a-z][a-hj-y][0-9]{1,2})|(([a-z][0-9][a-z])|([a-z][a-hj-y][0-9]?[a-z])))) [0-9][a-z]{2})\b";
        Match res = Regex.Match(s, expression);
        if (res.Success)
			Console.WriteLine(res.Value);
	}
}

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