Case with regular expression


string = "123"

case string
    when /^[a-zA-Z]+$/
      "Letters"
    when /^[0-9]+$/
      "Numbers"
    else
      "Mixed"
end
# => "Numbers"

1.	Here's the general format of the Ruby case statement:
2.	Using the case Statement
3.	If vs Case
4.	case...when with range
5.	use exculsive ranges in case statements
6.	use a case statement to make an assignment, which omits the value to test
7.	elsif and case
8.	All Ruby expressions return a result

Case with regular expression : case « Statement « Ruby