RegExp named capture groups

Specification
Proposal repo

Built-ins signatures

// patched for support `RegExp` named capture groups:
class RegExp {
  constructor(pattern: RegExp | string, flags?: string): RegExp;
  exec(): Array<string | undefined> | null;
  @@replace(string: string, replaceValue: Function | string): string;
}

Entry points

core-js/proposals/regexp-named-groups