`word_chars!` is stripping numbers

According to the docs for word_chars! it is not supposed to strip numbers from the string, but it is doing so as of 11e0f33

babosa/lib/babosa/identifier.rb

Lines 104 to 115 in c4e8907

    
           # Remove any non-word characters. For this library's purposes, this means 
        
           # anything other than letters, numbers, spaces, underscores, dashes, 
        
           # newlines, and linefeeds. 
        
           # 
        
           # @return String 
        
           def word_chars! 
        
             # `^\p{letter}` = Any non-Unicode letter 
        
             # `&&` = add the following character class 
        
             # `[^ _\n\r]` = Anything other than space, underscore, newline or linefeed 
        
             gsub!(/[[^\p{letter}]&&[^ _\-\n\r]]/, "") 
        
             to_s 
        
           end

	# Remove any non-word characters. For this library's purposes, this means
	# anything other than letters, numbers, spaces, underscores, dashes,
	# newlines, and linefeeds.
	#
	# @return String
	def word_chars!
	# `^\p{letter}` = Any non-Unicode letter
	# `&&` = add the following character class
	# `[^ _\n\r]` = Anything other than space, underscore, newline or linefeed
	gsub!(/[[^\p{letter}]&&[^ _\-\n\r]]/, "")
	to_s
	end