Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/testRubyWorkGem.rb

Instance Method Summary collapse

Instance Method Details

#check_len(str) ⇒ Object 



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# File 'lib/testRubyWorkGem.rb', line 23

def check_len(str)
  str.length == 0
end

#palindrome? ⇒ Boolean

Returns:



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# File 'lib/testRubyWorkGem.rb', line 3

def palindrome?
  str = self.dup
  str.gsub!(/\W/, '')
  str.downcase!
  correct = true
  len = str.length - 1
  str.split(//).each do |i|
    if !correct
      break
    end
    if str[i] == str[len]
      len -= 1
    else
      correct = false
      break
    end
  end
  correct
end

#valid_brackets? ⇒ Boolean

Returns:



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# File 'lib/testRubyWorkGem.rb', line 27

def valid_brackets?
  stack = []
  self.split(//).each do |i|
    if i == '('
      stack.append(i)
    else
      if i == ')' && !check_len(stack)
        stack.pop()
      elsif i == ')' && check_len(stack)
        stack.append(i)
        break
      end
    end
  end
  check_len(stack)
end