How to Beautiful Soup (bs4) match just one, and only one, css class
问题 I am using following code to match all div that have CSS class "ad_item". soup.find_all('div',class_="ad_item") problem that I have is that, on that web page, there are also div that have CSS class set to "ad_ex_item" and "ad_ex_item". <div class="ad_item ad_ex_item"> In documentation it is stated: When you search for a tag that matches a certain CSS class, you’re matching against any of its CSS classes: So how can I match div, that have only "ad_item", and do not have "ad_ex_item". Or to put