using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\d+\K\d{3}(?=\h£)";
string substitution = @",$0";
string input = @"2015 64 Fiat 500 S Hatchback 1.2 Manual Petrol Silver White 13000 £7,495
2012 12 Fiat 500 Lounge Hatchback 1.2 Manual Petrol White 9000 £5,495
2014 14 Fiat Panda Pop Hatchback 1.2 Manual Petrol White 30000 £4,695
2009 09 Fiat 500 Pop Hatchback 1.2 Manual Petrol Yellow 31000 £4,295";
Regex regex = new Regex(pattern);
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