diff options
Diffstat (limited to 'src/nvim/regexp.c')
| -rw-r--r-- | src/nvim/regexp.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/nvim/regexp.c b/src/nvim/regexp.c index cef2e6d9bf..d57bc889ac 100644 --- a/src/nvim/regexp.c +++ b/src/nvim/regexp.c @@ -1983,9 +1983,15 @@ static char_u *regatom(int *flagp) break; case 's': ret = regnode(MOPEN + 0); + if (!re_mult_next("\\zs")) { + return NULL; + } break; case 'e': ret = regnode(MCLOSE + 0); + if (!re_mult_next("\\ze")) { + return NULL; + } break; default: EMSG_RET_NULL(_("E68: Invalid character after \\z")); @@ -2460,6 +2466,15 @@ do_multibyte: return ret; } +/// Used in a place where no * or \+ can follow. +static bool re_mult_next(char *what) +{ + if (re_multi_type(peekchr()) == MULTI_MULT) { + EMSG2_RET_FAIL(_("E888: (NFA regexp) cannot repeat %s"), what); + } + return true; +} + /* * Return TRUE if MULTIBYTECODE should be used instead of EXACTLY for * character "c". |