regex currency symbols
using System;
using System.Text.RegularExpressions;
Console.OutputEncoding = System.Text.Encoding.UTF8;
string content = @"Currency symbols: ฿ Thailand bath, ₹ Indian rupee,
₾ Georgian lari, $ Dollar, € Euro, ¥ Yen, £ Pound Sterling";
string pattern = @"\p{Sc}";
var rx = new Regex(pattern, RegexOptions.Compiled);
var matches = rx.Matches(content);
foreach (Match match in matches)
{
Console.WriteLine($"{match.Value} is at {match.Index}");
}