/usr/share/common-lisp/source/abnf/example.lisp is in cl-abnf 20150608-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | ;;;; abnf-example.lisp
(defpackage #:abnf-example
(:use #:cl #:abnf #:cl-ppcre))
(in-package #:abnf-example)
(defvar *timestamp-abnf*
" TIMESTAMP = NILVALUE / FULL-DATE \"T\" FULL-TIME
FULL-DATE = DATE-FULLYEAR \"-\" DATE-MONTH \"-\" DATE-MDAY
DATE-FULLYEAR = 4DIGIT
DATE-MONTH = 2DIGIT ; 01-12
DATE-MDAY = 2DIGIT ; 01-28, 01-29, 01-30, 01-31 based on
; month/year
FULL-TIME = PARTIAL-TIME TIME-OFFSET
PARTIAL-TIME = TIME-HOUR \":\" TIME-MINUTE \":\" TIME-SECOND
[TIME-SECFRAC]
TIME-HOUR = 2DIGIT ; 00-23
TIME-MINUTE = 2DIGIT ; 00-59
TIME-SECOND = 2DIGIT ; 00-59
TIME-SECFRAC = \".\" 1*6DIGIT
TIME-OFFSET = \"Z\" / TIME-NUMOFFSET
TIME-NUMOFFSET = (\"+\" / \"-\") TIME-HOUR \":\" TIME-MINUTE
NILVALUE = \"-\" "
"A timestamp ABNF grammar.")
(let ((scanner (parse-abnf-grammar *timestamp-abnf*
:timestamp
:registering-rules '(:full-date))))
(register-groups-bind (date)
(scanner "2013-09-08T00:02:03.123456Z+02:00")
date))
(let ((scanner (parse-abnf-grammar *timestamp-abnf*
:timestamp
:registering-rules '(:full-date))))
(scan-to-strings scanner "2013-09-08T00:02:03.123456Z+02:00"))
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