Implement IsAnagram method in String <i>An anagram is a type of word play, the result of rearranging the letters of a word or phrase to produce a new word or phrase</i> [Ref](http://en.wikipedia.org/wiki/Anagram)
Implement IsAnagram method in String
An anagram is a type of word play, the result of rearranging the letters of a word or phrase to produce a new word or phrase Ref