Am Do., 30. Nov. 2023 um 12:37 Uhr schrieb io <io@ooeeeoo.com>:

>
>
>
> i have an html email with this sentence 'xycfe11cg64d_2501034012' within
> the body of the message.
> no result found when i search for '2501034012'
> i have even tried using '*2501034012*' (wildcard)
>
> Notmuch doesn't support regular expressions ("wildcards") when searching
the body of messages, see the man page  for `notmuch-search-terms`. It
computes stems of words and indexes (and searches) those.

Using xapian commands, one could extract all stems and grep those for a
term which one "remembers partially" (often happened to me), and then feed
that into notmuch. Might be worthwhile scripting or even integrating into
notmuch (sexp?).

Michael