fix(dev-env): make URL extraction less error-prone

Author: sjinks

src/commands/dev-env-sync-sql.ts

@@ -45,11 +45,11 @@ function stripProtocol( url: string ): string {
  * @return Site home url. null if not found
  */
 function findSiteHomeUrl( sql: string ): string | null {
-	const regex = `['"](siteurl|home)['"],\\s?['"](.*?)['"]`;
-	const url = sql.match( regex )?.[ 2 ] || '';
+	const regex = /(['"])(?:siteurl|home)\1,\s?\1([Hh][Tt][Tt][Pp][Ss]?:\/\/.+?)\1/;
+	const url = regex.exec( sql )?.[ 2 ] ?? '';
 	try {
-		new URL( url );
-		return url;
+		const parsed = new URL( url );
+		return parsed.hostname ? url : null;
 	} catch {
 		return null;
 	}