index.rb in prawn-emoji-2.1.0

- old
+ new

@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
+require_relative 'unicode'
+
 module Prawn
   module Emoji
     class Index
       EXCLUSION_CHARS = '1234567890#*'.freeze
 
@@ -16,10 +18,13 @@
       end
 
       private
 
       def build_regexp
-        Regexp.new(codepoints.map { |codepoint| unicode(codepoint) }.join('|'))
+        emojis = codepoints.map { |codepoint| unicode(codepoint) }
+        variation_selectors = Emoji::Unicode::VARIATION_SELECTORS.values
+
+        Regexp.new("(#{emojis.join('|')})[#{variation_selectors.join}]?")
       end
 
       def load_emoji_codepoints
         codepoints = YAML.load_file(Emoji.root.join('emoji', 'index.yml'))
         codepoints.reject { |codepoint| /#{unicode(codepoint)}/ =~ EXCLUSION_CHARS }