I have now raised it as an issue on the issue tracker Issue #11165 <https://github.com/pharo-project/pharo/issues/11165> in https://github.com/pharo-project/pharo/issues/11165 <https://github.com/pharo-project/pharo/issues/11165>
Best, Kasper > On 26 Apr 2022, at 12.11, Steffen Märcker <merk...@web.de> wrote: > > I can only fully agree to Richard's explanation. Also, not having the empty > string pre/suf-fixing every string breaks the free monoid that describes > concatenation of strings and forms the basis of regular expressions. In > effect, this will lead to subtle inconsistencies. Hence, I consider this a > bug rather than a feature. > > Kind regards, > Steffen
