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-rw-r--r--src/backend/utils/adt/regexp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/utils/adt/regexp.c b/src/backend/utils/adt/regexp.c
index 06f808652a4..c70c5eeeb37 100644
--- a/src/backend/utils/adt/regexp.c
+++ b/src/backend/utils/adt/regexp.c
@@ -423,8 +423,8 @@ parse_re_flags(pg_re_flags *flags, text *opts)
default:
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
- errmsg("invalid regular expression option: \"%c\"",
- opt_p[i])));
+ errmsg("invalid regular expression option: \"%.*s\"",
+ pg_mblen(opt_p + i), opt_p + i)));
break;
}
}