using System;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
var text = "a1 \n][\\`*_{}()>#+.!/:- §…";
foreach (Match m in Regex.Matches(text, @"[][\\`*_{}()>#+.!/:-]"))
{
Console.Write(m.Value);
}
}
}
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