diff options
author | David Bremner <david@tethera.net> | 2021-08-24 08:17:29 -0700 |
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committer | David Bremner <david@tethera.net> | 2021-09-04 17:07:19 -0700 |
commit | 1870b3ae4bae5e68296e63acc81965eea04a1a7a (patch) | |
tree | aaeb78be312fde04adef8026df3837c0aa0d0f51 /doc | |
parent | 5cb452c325e1f69e43dca610f48b9396cba9c039 (diff) |
lib/parse-sexp: support regular expressions
At least to the degree that the Xapian QueryParser based parser
also supports them. Support short alias 'rx' as it seems to make more
complex queries nicer to read.
Diffstat (limited to 'doc')
-rw-r--r-- | doc/man7/notmuch-sexp-queries.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/man7/notmuch-sexp-queries.rst b/doc/man7/notmuch-sexp-queries.rst index f32bab9c..7eaffe56 100644 --- a/doc/man7/notmuch-sexp-queries.rst +++ b/doc/man7/notmuch-sexp-queries.rst @@ -144,6 +144,11 @@ MODIFIERS *Modifiers* refer to any prefixes (first elements of compound queries) that are neither operators nor fields. +``(regex`` *atom* ``)`` ``(rx`` *atom* ``)`` + Interpret *atom* as a POSIX.2 regular expression (see + :manpage:`regex(7)`). This applies in term fields and a subset [#not-phrase]_ of + phrase fields (see :any:`field-table`). + ``(starts-with`` *subword* ``)`` Matches any term starting with *subword*. This applies in either phrase or term :any:`fields <fields>`, or outside of fields [#not-body]_. Note that @@ -205,6 +210,9 @@ NOTES .. [#aka-bool] a.k.a. boolean prefixes +.. [#not-phrase] Due to the implemention of phrase fields in Xapian, + regex queries could only match individual words. + .. [#not-body] Due the the way ``body`` is implemented in notmuch, this modifier is not supported in the ``body`` field. |