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Diffstat (limited to 'src/backend/utils/adt/varlena.c')
| -rw-r--r-- | src/backend/utils/adt/varlena.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c index 4aa344896f9..5e2c2ddc532 100644 --- a/src/backend/utils/adt/varlena.c +++ b/src/backend/utils/adt/varlena.c @@ -3083,7 +3083,10 @@ replace_text_regexp(text *src_text, void *regexp, break; /* - * Search from next character when the matching text is zero width. + * Advance search position. Normally we start the next search at the + * end of the previous match; but if the match was of zero length, we + * have to advance by one character, or we'd just find the same match + * again. */ search_start = data_pos; if (pmatch[0].rm_so == pmatch[0].rm_eo) |