Revert "Updated regular expression to avoid errors when converting to Float()"

This reverts commit 9f706fe.

Author: WhatWasThatt

lib/prawn/text/formatted/parser.rb

@@ -238,8 +238,8 @@ def self.array_from_tokens(tokens)
                 /name='([^']*)'/.match(token)
               fonts << matches[1] unless matches.nil?
 
-              matches = /size=".*?(\d+(?:\.\d+)?).*?"/.match(token) ||
-                /size='.*?(\d+(?:\.\d+)?).*?'/.match(token)
+              matches = /size="([^"]*)"/.match(token) ||
+                /size='([^']*)'/.match(token)
               size = (Float(matches[1]) rescue nil) unless matches.nil?
                sizes << size unless size.nil?