Change regex used in short_text_to_number

src/invidious/helpers/utils.cr

@@ -162,7 +162,7 @@ def number_with_separator(number)
 end
 
 def short_text_to_number(short_text : String) : Int64
-  matches = /(?<number>\d+(\.\d+)?)\s?(?<suffix>[mMkKbB]|())?/.match(short_text)
+  matches = /(?<number>\d+(\.\d+)?)\s?(?<suffix>[mMkKbB]?)/.match(short_text)
   number = matches.try &.["number"].to_f || 0.0
 
   case matches.try &.["suffix"].downcase