2.1.89 [ECMA-262/6] Section 21.2 RegExp (Regular Expression) Objects

V0077: The implementation of RegExp accords with edition 5.1 of the ECMAScript Standard, not the 6th edition

The specification states:

 21.2 RegExp (Regular Expression) Objects
  
     A RegExp object contains a regular expression and the associated flags.
  
     NOTE The form and functionality of regular expressions is modelled after the regular 
     expression facility in the Perl 5 programming language.

IE11 Mode (All versions)

The implementation of RegExp] accords with edition 5.1 of the ECMAScript Standard, not the 6th edition.