PulkoMandy <pulkomandy@xxxxxxxxx> wrote: > call matchadd('ErrorMsg', 'while(', -1) " while without space What about "select(", and maybe something like [{alnum}][,=/+-* ;][{alnum}] to detect operator use without the correct spacing? Maybe also [=&|/+-]$ to detect wrong operator positions at the end of a line? Bye, Axel.