For example, \w+( ?=;) matches a word followed by a semicolon, but does not include the semicolon in the match, and foo(?!bar) matches any occurrence of "foo "that is not followed byFor example, \w+(?=;) matches a word followed by a semicolon, but does not include the semicolon in the match, and foo(?!bar) matches any occurrence of "foo" that is not followed by "bar ".
Par exemple: \w+( ?=;) s'assure qu'un mot est suivi d'un point-virgule, mais n 'inclus pas le point virgule dans la capture.