regex-constructor-flags.ts:3:35 - error SC1120: the regex 'd' flag (match indices) is not supported yet

  2 | // computed flags reach the runtime, which names the same gap.
  3 | const indices = new RegExp("cat", "dg");
    |                                   ^~~~
  4 | 

  hint: supported: literal regexes with the g/i/m/s/u/v/y flags — .test(), .exec()/.match()/.matchAll(), named capture groups (.groups, $<name> templates, \k<name>), .source/.flags, and string replace/replaceAll/split with string replacement templates