using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
var s = "(AvgC20.1 > 980000) && (C1>C2) MaxC20 MinC20.14";
var pattern = @"(?n)(Avg|Max|Min)[OHLVC]\d+(\.\d+)?";
var result = Regex.Matches(s, pattern)
.Cast<Match>()
.Select(p => p.Value)
.ToList();
foreach (var r in result)
Console.WriteLine(r);
}
}
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