Build, test, and debug regular expressions
Matches complete web URLs (optionally including protocol, domain/authority, port, and path) that point to an image file with a .jpg, .jpeg, .png, or .gif extension (case-insensitive). It exposes named capture groups—protocol, authority, port, path, file, extension, query, and fragment—making it ideal for validating, parsing, or extracting image URLs and their individual components from multiline text.