text: -- # Problem: https://www.hackerrank.com/challenges/weather-observation-station-11/problem
  -- # Score: 15
  -- # Difficulty: Easy
  
  
  SELECT DISTINCT City
  FROM Station
  WHERE REGEXP_LIKE(City, '^[^AEIOU].*[^aeiou]$');
  
  
  /* NOTE:
  
      -DISTINCT :- excludes duplicates.
      -REGEXP_LIKE() :- This function represents whether the string matches regular expression or not.
      -[abc] :- It is used to match any characters enclosed in the square brackets.
      -[^abc] :-	It is used to match any characters not specified in the square brackets.
      -^ :- The caret (^) character is used to start matches at the beginning of a searched string.
      -. :- The dot (.) character matches any single character.
      -* :-The asterisk (*) character matches zero (0) or more instances of the preceding strings.
      -$ :- The dollar ($) character is used to start matches at the end of a searched string.
  
  */