Create a function that takes a string, removes all "special" characters (e.g. ., !, @, #, $, %, ^, &, \, *, (, )) and returns the new string. The only non-alphanumeric characters allowed are dashes -, underscores _ and spaces.
removeSpecialCharacters("The quick brown fox!") ➞ "The quick brown fox"
removeSpecialCharacters("%fd76$fd(-)6GvKlO.") ➞ "fd76fd-6GvKlO"
removeSpecialCharacters("D0n$c sed 0di0 du1") ➞ "D0nc sed 0di0 du1"
N/A