using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<!\d|\.)((\d\.\d|\d)(?!\d|\.\d)[^\d,;.]+?listening)";
string input = @"ielts 6. overall 6.5; reading 6; writing 6; speaking 6.6 listening 6. for other english language proficiency tests and scores approved for uq listening 6.6";
RegexOptions options = RegexOptions.Multiline;
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