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Re: string-strip
From: |
Andreas Roehler |
Subject: |
Re: string-strip |
Date: |
Fri, 24 Nov 2006 16:02:25 +0100 |
User-agent: |
Thunderbird 1.5.0.4 (X11/20060516) |
Richard Stallman schrieb:
We could install string-strip after the release, but let's not do it now.
What about to split the regexp into parts? Thus it's
easier to change values.
Regards
__
Andreas Roehler
;;;
;; (setq strip-chars-before "\\`[[:space:],;\/\n]*")
;; (setq strip-chars-after "[[:space:],;\n]*\\'")
;; (setq string-strip-preserve "\\(\\(?:.\\|\n\\)*?\\)")
(defcustom strip-chars-before "\\`[[:space:]\n]*"
"Regexp indicating which chars shall be stripped before STRING - which
is defined by `string-strip-preserve'"
:type 'string
:group 'convenience)
(defcustom strip-chars-after "[[:space:]\n]*\\'"
"Regexp indicating which chars shall be stripped after STRING - which
is defined by `string-strip-preserve'"
:type 'string
:group 'convenience)
(defcustom string-strip-preserve "\\(\\(?:.\\|\n\\)*?\\)"
"Regexp indicating which chars shall be constitutents of STRING
thus being preserved - whereas `strip-chars-after' and
`strip-chars-before' indicate what class of chars to strip from
beginning or end of STRING"
:type 'string
:group 'convenience)
(defun string-strip (str)
"Return a copy of STR with leading and trailing CHARS removed.
Customize `strip-chars-before' and `strip-chars-after' respectively.
Default is `[[:space:]\n]*', i.e. spaces, tabs and newlines."
(interactive)
(save-match-data
(string-match
(concat strip-chars-before string-strip-preserve strip-chars-after) str)
(match-string 1 str)))
- Re: string-strip,
Andreas Roehler <=