An anagram is direct word switch or word play, the result of rearranging the letters of a word or phrase to produce a new word or phrase, using all the original letters exactly once1 ; for example, you can rearrange the letters of the word cinema to produce iceman. Required:
Your task is to write a simple anagram detector: it compares two phrases and reports whether or not they use the same number of the same letters (ignoring case and any non-letter symbols). The detector will work by checking if both phrases use the same number of each letter: