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string str12="ÄÚÈÝ2";
string pattern12 = "(.*?)";
var m = Regex.Match(str12, pattern12, RegexOptions.Singleline | RegexOptions.IgnoreCase);
string bs1 = m.Groups[1].Value;
string bs2 = m.Groups[2].Value;

string str3 = "ÄÚÈÝ3";
string pattern3 = "(.*?)";
m = Regex.Match(str3, pattern3, RegexOptions.Singleline | RegexOptions.IgnoreCase);
string bs3 = m.Groups[1].Value;
  
string str4 = "
ÄÚÈÝ4
"; string pattern4 = "(.*?)
"; m = Regex.Match(str4, pattern4, RegexOptions.Singleline | RegexOptions.IgnoreCase); string bs4 = m.Groups[1].Value;
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