_plugins/data.rb
def is_in(term, str)
      if str
        (str.include? term) ? true : nil
      end
    end
# attempts to find a substring
# returns the value true if the key exists; otherwise, return nil
attempts to find a substring
returns the value true if the key exists; otherwise, return nil
attempts to find a substring returns the value true if the key exists ; otherwise return nil
def is_in(term, str)
      if str
        (str.include? term) ? true : nil
      end
    end
def is_in ( term , str ) if str ( str . include? term ) ? true : nil end end
attempts to find a substring
returns the value true if the key exists; otherwise, return nil
attempts to find a substring returns the value true if the key exists ; otherwise return nil
term
str