vis

a vi-like editor based on Plan 9's structural regular expressions

replace.keys

(465B)

      1 t{r<Enter>           /* replace space with new line */
      2 /---<Enter>
      3 3r=                  /* replace --- with === */
      4 n                    /* advance to next match */
      5 .                    /* repeat */
      6 r<Escape>            /* cancel, should not alter text */
      7 n                    /* advance to next match */
      8 v2e                  /* select something in visual mode */
      9 r<Escape>            /* cancel, should not alter text */
     10 r=                   /* replace selection */