checkValidEmailTest

arr = ['valid@mail.ru', 'invalid@@mail.ru', 'ADAА@maid.ru', 'skyNET@ru..ru', '&adq!@da.da', 'rr@ru.ru', 'rrr@ru.ru', 'rrrr@ru.ru', 'r.check@mail.ru', '@check.ru', '-1ch@k.r', 'genModeо@ru.ru', 'hehe@he', nice@nice.nice]
isValid = [true, false, false, false, false, false, false, true, false, false, false, false, false, true]