Method PeekUntilCharNotIn

src/core/string_consumer.hpp:666–670

* Peek 8-bit chars, while they are in 'chars', until they are not. * @return Matching chars. */

	 * @return Matching chars.
	 */
	[[nodiscard]] std::string_view PeekUntilCharNotIn(std::string_view chars) const
	{
		size_type len = this->FindCharNotIn(chars);
		return this->Peek(len);
	}
	/**
	 * Read 8-bit chars, while they are in 'chars', until they are not; and advance reader.
	 * @return Matching chars.