You can use ```none ^\d+(?:,\d+)*\R(?=(?:(?!\d+(?:,\d+)*$).*\R)*/{3,}$)\K[\s\S]*?(?=\R.*\R/{3,}$) ``` See the [regex demo][1].
*Details*:
- `^\d+(?:,\d+)*\R(?=(?:(?!\d+(?:,\d+)*$).*\R)*/{3,}$)` - matches the last comma-separated digit sequences line before `///` like line - `\K` - discards all text matched so far from the match memory buffer - `[\s\S]*?` - zero or more chars as few as possible - `(?=\R.*\R/{3,}$)` - a positive lookahead that requires the following patterns to match immediately to the right of the current location: - `\R.*` - line break and the whole line - `\R` - a line break - `/{3,}$` - three or more `/` chars till the end of the line.
See the NPP demo:
[![enter image description here][2]][2]

[1]: https://regex101.com/r/CNgMlq/2 [2]: https://i.sstatic.net/JfQMyVi2.png

You can use ```none ^\d+(?:,\d+)*$(?=(?:\R(?!\d+(?:,\d+)*$).*)*\R/{3,}$) ``` See the [regex demo][1]
*Details*
- `^` - start of a line - `\d+(?:,\d+)*` - two or more comma-separated digit sequences - `$` - end of a line - `(?=(?:\R(?!\d+(?:,\d+)*$).*)*\R/{3,}$)` - a positive lookahead that requires (immediately to the right of the current location): - `(?:\R(?!\d+(?:,\d+)*$).*)*` - zero or more occurrences of - `\R(?!\d+(?:,\d+)*$)` - a line break not followed by a line that only contains comma-separated digit sequences - `.*` - the rest of the line - `\R` - a line break - `/{3,}` - three or more `/` chars - `$` - end of a line
NPP test:
[![enter image description here][2]][2]

[1]: https://regex101.com/r/QWuK66/2 [2]: https://i.sstatic.net/4haFgiIL.png