Regex Editor & Tester
Build, test, and debug regular expressions
Build, test, and debug regular expressions
Matches a complete HTML iframe element embedding a YouTube video, capturing the optional protocol (http/https) and the 11-character YouTube video ID from the embed URL. Useful for extracting video IDs from web pages, validating embedded YouTube players, or migrating embeds to other formats. It tolerates extra query parameters after the ID and additional iframe attributes.