Class: String

Inherits:

Object

• Object
• String

Defined in:

lib/24point/string.rb

Instance Method Summary

• #expression? ⇒ Boolean

  match as ((3+5)*6)/2) (3*8)+(1-1) => true.

• #is_num? ⇒ Boolean

Instance Method Details

#expression? ⇒ Boolean

match as ((3+5)*6)/2) (3*8)+(1-1) => true

Returns:

• (Boolean)

# File 'lib/24point/string.rb', line 4

def expression?
  !(self =~ /(?<expression>\((?<left>(\g<expression>|\d*))(?<operate>[\+\-\*\/])(?<right>(\g<expression>|\d*))\))/).nil?
end

#is_num? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/24point/string.rb', line 8

def is_num?
	!(self =~ /^\d*$/).nil?
end