Given solely initially of the question, a namespace title adopted by a colon limits search results to that namespace. Most operators, corresponding to intitle: and incategory:, ignore pointless areas, or http://Https%253a%252f%25Evolv.e.l.U.pc@haedongacademy.org grey-area, after the colon. Prefix is the most generally used and highly effective filter as it could possibly mimic the namespace filter, and because intitle: cannot easily target a single web page, even along with other filters.
To get Wikipedia search results whereas on any internet page, you can quickly set your web browser's search box to grow to be a Wikipedia search search field, though you are on one other web site (see Help:Looking out from an online browser). This key phrase permits filtering search outcomes by matter. Pressing ↵ Enter or clicking on the magnifying glass when the field is empty takes you on to Wikipedia's search page. This search field will produce the search results page exhibiting what all matches your search on Wikipedia