def alphasnake(string):
if string:<EOL><INDENT>string = "<STR_LIT:U+0020>".join(<EOL>[re.sub(r'<STR_LIT>', '<STR_LIT>', word) for word in string.split()]<EOL>)<EOL>string = decamel_to_snake(string)<EOL><DEDENT>return string<EOL>
Convert to snakecase removing non alpha numerics
    Word #word -> word_word.