Skip to content
GitLab
Projects
Groups
Snippets
Help
Loading...
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
emacs
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
1
Issues
1
List
Boards
Labels
Service Desk
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Operations
Operations
Incidents
Environments
Packages & Registries
Packages & Registries
Container Registry
Analytics
Analytics
CI / CD
Repository
Value Stream
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
emacs
emacs
Commits
07ff7702
Commit
07ff7702
authored
Oct 07, 2010
by
Miles Bader
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
(regexp-opt): Add `symbols' mode.
parent
814cc274
Changes
3
Hide whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
17 additions
and
4 deletions
+17
-4
doc/lispref/searching.texi
doc/lispref/searching.texi
+5
-1
lisp/ChangeLog
lisp/ChangeLog
+4
-0
lisp/emacs-lisp/regexp-opt.el
lisp/emacs-lisp/regexp-opt.el
+8
-3
No files found.
doc/lispref/searching.texi
View file @
07ff7702
...
...
@@ -918,7 +918,11 @@ for Font Lock mode.
If the optional argument @var{paren} is non-@code{nil}, then the
returned regular expression is always enclosed by at least one
parentheses-grouping construct. If @var{paren} is @code{words}, then
that construct is additionally surrounded by @samp{\<} and @samp{\>}.
that construct is additionally surrounded by @samp{\<} and @samp{\>};
alternatively, if @var{paren} is @code{symbols}, then that construct
is additionally surrounded by @samp{\_<} and @samp{\_>}
(@code{symbols} is often appropriate when matching
programming-language keywords and the like).
This simplified definition of @code{regexp-opt} produces a
regular expression which is equivalent to the actual value
...
...
lisp/ChangeLog
View file @
07ff7702
2010-10-07 Miles Bader <Miles Bader <miles@gnu.org>>
* emacs-lisp/regexp-opt.el (regexp-opt): Add `symbols' mode.
2010-10-07 Glenn Morris <rgm@gnu.org>
* mail/rmail.el (mail-sendmail-delimit-header, mail-header-end)
...
...
lisp/emacs-lisp/regexp-opt.el
View file @
07ff7702
...
...
@@ -96,19 +96,24 @@ The returned regexp is typically more efficient than the equivalent regexp:
(concat open (mapconcat 'regexp-quote STRINGS \"\\\\|\") close))
If PAREN is `words', then the resulting regexp is additionally surrounded
by \\=\\< and \\>."
by \\=\\< and \\>.
If PAREN is `symbols', then the resulting regexp is additionally surrounded
by \\=\\_< and \\_>."
(
save-match-data
;; Recurse on the sorted list.
(
let*
((
max-lisp-eval-depth
10000
)
(
max-specpdl-size
10000
)
(
completion-ignore-case
nil
)
(
completion-regexp-list
nil
)
(
words
(
eq
paren
'words
))
(
open
(
cond
((
stringp
paren
)
paren
)
(
paren
"\\("
)))
(
sorted-strings
(
delete-dups
(
sort
(
copy-sequence
strings
)
'string-lessp
)))
(
re
(
regexp-opt-group
sorted-strings
(
or
open
t
)
(
not
open
))))
(
if
words
(
concat
"\\<"
re
"\\>"
)
re
))))
(
cond
((
eq
paren
'words
)
(
concat
"\\<"
re
"\\>"
))
((
eq
paren
'symbols
)
(
concat
"\\_<"
re
"\\_>"
))
(
t
re
)))))
;;;###autoload
(
defun
regexp-opt-depth
(
regexp
)
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment