using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"((?:(?<!\d)(\d{1,4}(?:[\.,]\d{1,6})?)\s+((?:kilogram|kilos|kg)))|(?:((?:kilogram|kilos|kg))\s+(\d{1,4}(?:[\.,]\d{1,6})?)))";
string substitution = @"*THIS IS THE NUMBER: '$2$5'* AND *THIS IS THE UNIT: '$3$4'*";
string input = @"toitnt kg 15.6 oeingoiegn
oinef 45.9009090909 kg eoif
something blah 65.78 kilos ow";
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