Fix type regex to include multi-line curly brackets

[romainbou]

The previous regex had two issues:

• Failed to match when the [] where in the brackets
• Failed to match when the content in the brackets had a line break.

[codecov[bot]]

Codecov Report

Merging #96 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #96   +/-   ##
=======================================
  Coverage   69.51%   69.51%           
=======================================
  Files           3        3           
  Lines          82       82           
=======================================
  Hits           57       57           
  Misses         15       15           
  Partials       10       10           

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