Regular expression after `/* comment */` is not highlighted in TypeScript

[zhengbli]

Importing microsoft/TypeScript-Sublime-Plugin#391

Issue example:

let regex = /**/ /foo/;

[dna2github]

VSCode Version: 1.32.2
OS Version: MacOSX 10.12.6

the problem still exists after @sheetalkamat closed #717 in 06d49b5 on Feb 7