Codex Regius is a Greek uncial manuscript of the New Testament, dated paleographically to the 8th century. The manuscript is lacunose. It has marginalia. It is an Alexandrian text-type
In the days of Westcott and Hort, the argument was that the Alexandrian scribes removed what we have in the Byzantine manuscripts, while the other argument was that the Byzantine scribes added and altered. How could we ever solve it once and for all?
The Byzantine text family that makes up the Textus Receptus, which is behind the KJV, and the NKJV is 80-85% in agreement with the Alexandrian text family that is behind almost all modern translations. The King James Version Onlyists (KJVOists) & the Textus Receptus Onlyists (TROists) call the differences omissions in the Westcott & Hort 1881 Greek New Testament (WH) and the Nestle-Aland 28th edition Greek New Testament (NA). They would argue that many of the differences are actually additions to the original texts, which have now been restored to their original form by removing spurious interpolations? Who is correct?
The Alexandrian text ... is usually considered to be the best text and the most faithful in preserving the original. Characteristics of the Alexandrian text are brevity and austerity. That is, it is generally shorter than the text of other forms, and it does not exhibit the degree of grammatical and stylistic polishing that is characteristic of the Byzantine type of text (Bruce M. Metzger)