StrBetweenU

function StrBetweenU(

  const S: UnicodeString;

  const FirstDelim: UnicodeString;

  const SecondDelim: ByteCharSet;

  const FirstOptional: Boolean = False;

  const SecondOptional: Boolean = False;

  const FirstDelimAsciiCaseSensitive: Boolean = True

):UnicodeString; overload;

function StrBetweenU(

  const S: UnicodeString;

  const FirstDelim: UnicodeString;

  const SecondDelim: UnicodeString;

  const FirstOptional: Boolean = False;

  const SecondOptional: Boolean = False;

  const FirstDelimAsciiCaseSensitive: Boolean = True;

  const SecondDelimAsciiCaseSensitive: Boolean = True

):UnicodeString; overload;