This step definition is used to test whether the current page does not contain text that matches the specified pattern.
Then (I|we)* should not see text matching "([^"]*)?"
There are many types of text that are searched such as email, phone number, link address path, time and date, uppercase or lowercase words, words with certain letters, and . . . etc.
Example:
Then I should not see text matching "^O\w+"
"^O\w+"
It is a pattern that searches for any text beginning with the capital letter "O".