Matching operations are mostly performed using the -like, -notlike, -match, and -notmatch operators. These also come in case-sensitive (-clike, -cnotmatch) and forced case-insensitive (-inotlike, -imatch) variants.
We have a situation for this recipe.
One of your friends works for a travel agency and gets an automated CSV file of sites that contain great articles of categories including travel, and lifestyle. (The aggregator service that creates this CSV file has its own algorithms to decide what is great, and does not care about disagreements.) This list is delivered to the agency every day at 7 AM. The list, however, only contains the names of the sites and their home page links. BBC may or may not feature in the list for the day. If the list contains BBC, he wants a query that will fetch the links to all Travel stories from the home page...