Example:
r="\%4l\%(wit.*wit\)\|\%8l\%(rood.*rood\)\|\%12l\%(blauw.*blauw\)\|\%13l\%(wit.*wit\)\|\%14l\%(blauw.*blauw\)\|\%15l\%(wit.*wit\)\|\%16l\%(wit.*wit\)\|\%17l\%(rood.*rood\)\|\%19l\%(wit.*wit\)\|\%21l\%(blauw.*blauw\)"
r="\%4l\%(wit.*wit\)\|\%8l\%(
