query WHERE topic = 'auth'
orange: printing and input
，推荐阅读pg电子官网获取更多信息
Средства ПВО отразили атаку украинских БПЛА08:11
Фото: Sauce Reques / Shutterstock / Fotodom
finding all matches is a very common thing people - and these days, AI coding agents - do with regexes. it's a fundamental tool for navigating large amounts of data: ctrl+f in your editor, search-and-replace, grep across repositories. all of these need every match, not just the first one. yet almost all academic regex papers focus exclusively on the single-match problem and then handwave the rest away with "just iterate". in practice, that iteration is where the linear-time guarantee quietly breaks down.