PAL.C.T MINI SHELL
ɽ Version 5.9.1 2007/09/05
ʸˡ: ONIG_SYNTAX_RUBY ()
1.
\ () ɽͭ/̵
|
(...) (롼)
[...] ʸ (ʸ饹)
2. ʸ
\t ʿ (0x09)
\v ľ (0x0B)
\n (0x0A)
\r (0x0D)
\b (0x08)
\f (0x0C)
\a (0x07)
\e (0x1B)
\nnn Ȭʿɽ 沽Х(ΰ)
\xHH ϻʿɽ 沽Х(ΰ)
\x{7HHHHHHH} ĥϻʿɽ ɥݥ
\cx ʸɽ ɥݥ
\C-x ʸɽ ɥݥ
\M-x Ķ (x|0x80) ɥݥ
\M-\C-x Ķ + ʸɽ ɥݥ
\bϡʸǤΤͭ
3. ʸ
. Ǥʸ (Ԥ)
\w ñ칽ʸ
Unicodeʳξ:
ѿ, "_" ¿Хʸ
Unicodeξ:
General_Category -- (Letter|Mark|Number|Connector_Punctuation)
\W ñ칽ʸ
\s ʸ
Unicodeʳξ:
\t, \n, \v, \f, \r, \x20
Unicodeξ:
0009, 000A, 000B, 000C, 000D, 0085(NEL),
General_Category -- Line_Separator
-- Paragraph_Separator
-- Space_Separator
\S ʸ
\d 10ʿ
Unicodeξ: General_Category -- Decimal_Number
\D 10ʿ
\h 16ʿ [0-9a-fA-F]
\H 16ʿ
Character Property
* \p{property-name}
* \p{^property-name} (negative)
* \P{property-name} (negative)
property-name:
+ ƤΥǥͭ
Alnum, Alpha, Blank, Cntrl, Digit, Graph, Lower,
Print, Punct, Space, Upper, XDigit, Word, ASCII,
+ EUC-JP, Shift_JISͭ
Hiragana, Katakana
+ UTF8, UTF16, UTF32ͭ
Any, Assigned, C, Cc, Cf, Cn, Co, Cs, L, Ll, Lm, Lo, Lt, Lu,
M, Mc, Me, Mn, N, Nd, Nl, No, P, Pc, Pd, Pe, Pf, Pi, Po, Ps,
S, Sc, Sk, Sm, So, Z, Zl, Zp, Zs,
Arabic, Armenian, Bengali, Bopomofo, Braille, Buginese,
Buhid, Canadian_Aboriginal, Cherokee, Common, Coptic,
Cypriot, Cyrillic, Deseret, Devanagari, Ethiopic, Georgian,
Glagolitic, Gothic, Greek, Gujarati, Gurmukhi, Han, Hangul,
Hanunoo, Hebrew, Hiragana, Inherited, Kannada, Katakana,
Kharoshthi, Khmer, Lao, Latin, Limbu, Linear_B, Malayalam,
Mongolian, Myanmar, New_Tai_Lue, Ogham, Old_Italic, Old_Persian,
Oriya, Osmanya, Runic, Shavian, Sinhala, Syloti_Nagri, Syriac,
Tagalog, Tagbanwa, Tai_Le, Tamil, Telugu, Thaana, Thai, Tibetan,
Tifinagh, Ugaritic, Yi
4. ̻
ĥ
? ޤ
* ʾ
+ ʾ
{n,m} nʾmʲ
{n,} nʾ
{,n} ʾnʲ ({0,n})
{n} n
̵
?? ޤ
*? ʾ
+? ʾ
{n,m}? nʾmʲ
{n,}? nʾ
{,n}? ʾnʲ (== {0,n}?)
(ĥǡ֤ϲ餹褦ʸƻԤʤ)
?+ ޤ
*+ ʾ
++ ʾ
({n,m}+, {n,}+, {n}+ ϡONIG_SYNTAX_JAVAǤΤ߶ߤʻ)
. /a*+/ === /(?>a*)/
5.
^ Ƭ
$
\b ñ춭
\B ñ춭
\A ʸƬ
\Z ʸޤʸβԤľ
\z ʸ
\G ȹ糫ϰ
6. ʸ
^... (ͥٱ黻)
x-y ϰ (xyޤ)
[...] (ʸʸ)
..&&.. ѱ黻 (^μͥ٤㤤黻)
. [a-w&&[^c-g]z] ==> ([a-w] and ([^c-g] or z)) ==> [abh-w]
'[', '-', ']'ʸ̾ʸΰ̣ǻѤˤϡ
ʸ'\'ʤФʤʤ
POSIX֥饱å ([:xxxxx:], [:^xxxxx:])
Unicodeʳξ:
alnum ѿ
alpha ѻ
ascii 0 - 127
blank \t, \x20
cntrl
digit 0-9
graph ¿Хʸޤ
lower
print ¿Хʸޤ
punct
space \t, \n, \v, \f, \r, \x20
upper
xdigit 0-9, a-f, A-F
word ѿ, "_" ¿Хʸ
Unicodeξ:
alnum Letter | Mark | Decimal_Number
alpha Letter | Mark
ascii 0000 - 007F
blank Space_Separator | 0009
cntrl Control | Format | Unassigned | Private_Use | Surrogate
digit Decimal_Number
graph [[:^space:]] && ^Control && ^Unassigned && ^Surrogate
lower Lowercase_Letter
print [[:graph:]] | [[:space:]]
punct Connector_Punctuation | Dash_Punctuation | Close_Punctuation |
Final_Punctuation | Initial_Punctuation | Other_Punctuation |
Open_Punctuation
space Space_Separator | Line_Separator | Paragraph_Separator |
0009 | 000A | 000B | 000C | 000D | 0085
upper Uppercase_Letter
xdigit 0030 - 0039 | 0041 - 0046 | 0061 - 0066
(0-9, a-f, A-F)
word Letter | Mark | Decimal_Number | Connector_Punctuation
7. ĥ
(?#...)
(?imx-imx) Ωץ
i: ʸʸȹ
m: ʣ
x: ĥ
(?imx-imx:) ץ
() ͼ
(?:) ͼ
(?=) ɤ
(?!) ɤ
(?<=) ɤ
(?<!) ɤ
ɤߤμϸʸĹǤʤФʤʤ
Ǿ̤ҤϰۤʤäʸĹ롣
. (?<=a|bc) ϵ. (?<=aaa(?:b|cd)) Ե
ɤߤǤϡͼϵʤ
ͼϵ롣
(?>) Ū
Τ̲ᤷȤǤθƻԤԤʤʤ
(?<name>), (?'name')
̾դͼ
̾Ƥ()
(̾ñ칽ʸǤʤФʤʤ)
̾ǤʤͼƱֹͤƤ롣
ֹ꤬ػߤƤʤ (10. ͼ )
ΤȤϡ̾ȤʤֹǤ⻲ȤǤ롣
ʣμƱ̾Ϳ뤳ȤϵƤ롣
ξˤϡ̾ѤȤϲǽǤ뤬
ʬƽФϤǤʤ
8.
\n ֹ껲 (n >= 1)
\k<n> ֹ껲 (n >= 1)
\k'n' ֹ껲 (n >= 1)
\k<-n> ֹ껲 (n >= 1)
\k'-n' ֹ껲 (n >= 1)
\k<name> ̾껲
\k'name' ̾껲
̾껲Ȥǡ̾ʣμ¿Ƥˤϡ
ֹ礭礫ͥŪ˻Ȥ롣
(ޥåʤȤˤֹξ礬Ȥ)
ֹ껲Ȥϡ̾դͼ礬졢
ONIG_OPTION_CAPTURE_GROUPꤵƤʤˤϡ
ػߤ롣(10. ͼ )
ͥȥ٥դ
level: 0, 1, 2, ...
\k<n+level> (n >= 1)
\k<n-level> (n >= 1)
\k'n+level' (n >= 1)
\k'n-level' (n >= 1)
\k<name+level>
\k<name-level>
\k'name+level'
\k'name-level'
Ȥΰ֤ŪʬƽФͥȥ٥ꤷơΥ٥Ǥ
ͤȤ롣
-1.
/\A(?<a>|.|(?:(?<b>.)\g<a>\k<b+0>))\z/.match("reer")
-2.
r = Regexp.compile(<<'__REGEXP__'.strip, Regexp::EXTENDED)
(?<element> \g<stag> \g<content>* \g<etag> ){0}
(?<stag> < \g<name> \s* > ){0}
(?<name> [a-zA-Z_:]+ ){0}
(?<content> [^<&]+ (\g<element> | [^<&]+)* ){0}
(?<etag> </ \k<name+1> >){0}
\g<element>
__REGEXP__
p r.match('<foo>f<bar>bbb</bar>f</foo>').captures
9. ʬƽФ ("ůڥ")
\g<name> ̾ƽФ
\g'name' ̾ƽФ
\g<n> ֹƽФ (n >= 1)
\g'n' ֹƽФ (n >= 1)
\g<-n> ֹƽФ (n >= 1)
\g'-n' ֹƽФ (n >= 1)
Ǻ֤ǤκƵƽФ϶ػߤ롣
. (?<name>a|\g<name>b) => error
(?<name>a|b\g<name>c) => OK
ֹƽФϡ̾դͼ礬졢
ONIG_OPTION_CAPTURE_GROUPꤵƤʤˤϡ
ػߤ롣 (10. ͼ )
ƤӽФ줿Υץ֤ƽФ¦Υץ֤ȰۤʤäƤ
ȤƤӽФ줿¦Υץ֤ͭǤ롣
. (?-i:\g<name>)(?i:(?<name>a)){0} "A" ˾ȹ롣
10. ͼ
ͼ(...)ϡʲξ˱ƿѲ롣
(̾դͼѲʤ)
case 1. /.../ (̾դͼԻѡץʤ)
(...) ϡͼȤư롣
case 2. /.../g (̾դͼԻѡץ 'g')
(...) ϡͼȤư롣
case 3. /..(?<name>..)../ (̾դͼϻѡץʤ)
(...) ϡͼȤư롣
ֹ껲/ƤӽФԵġ
case 4. /..(?<name>..)../G (̾դͼϻѡץ 'G')
(...) ϡͼȤư롣
ֹ껲/ƤӽФϵġ
â
g: ONIG_OPTION_DONT_CAPTURE_GROUP
G: ONIG_OPTION_CAPTURE_GROUP
('g''G'ץϡruby-dev MLǵ줿)
οΰ̣ϡ
̾դ̵ͤ̾ͤƱ˻ѤɬΤ̤ϾʤǤ
Ȥͳͤ줿ΤǤ롣
-----------------------------
䵭 1. ʸˡ¸ץ
+ ONIG_SYNTAX_RUBY
(?m): 䵭(.)ϲԤȾȹ
+ ONIG_SYNTAX_PERL ONIG_SYNTAX_JAVA
(?s): 䵭(.)ϲԤȾȹ
(?m): ^ ϲԤľ˾ȹ礹롢$ ϲԤľ˾ȹ礹
䵭 2. ȼĥǽ
+ 16ʿ16ʿ \h, \H
+ ̾դͼ (?<name>...), (?'name'...)
+ ̾ \k<name>
+ ʬƽФ \g<name>, \g<group-num>
䵭 3. Perl 5.8.0Ӥ¸ߤʤǽ
+ \N{name}
+ \l,\u,\L,\U, \X, \C
+ (?{code})
+ (??{code})
+ (?(condition)yes-pat|no-pat)
* \Q...\E
âONIG_SYNTAX_PERLONIG_SYNTAX_JAVAǤͭ
䵭 4. Ruby 1.8 ܸ첽 GNU regex(version 0.12)Ȥΰ㤤
+ ʸPropertyǽɲ (\p{property}, \P{Property})
+ 16ʿɲ (\h, \H)
+ ɤߵǽɲ
+ ߤʷ֤Ҥɲ (?+, *+, ++)
+ ʸα黻Ҥɲ ([...], &&)
('[' ϡʸ̾ʸȤƻѤȤˤ
ʤФʤʤ)
+ ̾դͼȡʬƽФǽɲ
+ ¿ХʸɤꤵƤȤ
ʸȬʿޤϽϻʿɽϢ³ϡ¿Хɽ줿
ĤʸȲᤵ
(. [\xa1\xa2], [\xa1\xa7-\xa4\xa1])
+ ʸǡХʸ¿Хʸϰϻϵ롣
ex. /[a-]/
+ ΩץͭϰϤϡθΩץޤǤ뼰
ޤǤǤ
. (?:(?i)a|b) (?:(?i:a|b)) Ȳᤵ롢(?:(?i:a)|b)ǤϤʤ
+ ΩץϤμФƩŪǤϤʤ
. /a(?i)*/ ʸˡ顼Ȥʤ
+ Դʷ֤ϰϻҤ̾ʸȤƵĤ
. /{/, /({)/, /a{2,3/
+ ŪPOSIX֥饱å [:^xxxx:] ɲ
+ POSIX֥饱å [:ascii:] ɲ
+ ɤߤη֤Ե
. /(?=a)*/, /(?!b){5}/
+ ͤǻꤵ줿ʸФƤ⡢ʸʸȹ祪ץͭ
. /\x61/i =~ "A"
+ ֤ǡξά(0)Ǥ
/a{,n}/ == /a{0,n}/
ȺƱάϵʤ(/a{,}/)
+ /a{n}?/̵ߤʱ黻ҤǤϤʤ
/a{n}?/ == /(?:a{n})?/
+ ̵ʸȤåƥ顼ˤ롣
/\1/, /(a)\2/
+ ̵·֤ǡĹǤξȹϷ֤Ǥ뤬
ΤȤǤ٤ɤȽȤơͼ;֤
ѲޤǹθƤ
/(?:()|())*\1\2/ =~ ""
/(?:\1a|())*/ =~ "a"
䵭 5. Ƥ뤬ͤǤͭˤƤʤǽ
+
(?@...) (?@<name>...)
. /(?@a)*/.match("aaa") ==> [<0-1>, <1-2>, <2-3>]
ˡϡsample/listcap.c
ͭˤƤʤͳϡɤΩĤϤäꤷʤᡣ
䵭 6.
+ ǥХͤŬʲɤΥåϹԤʤäƤʤ
: UTF-8
* ƬХȤȤʥХȤʸȤߤʤ
/./u =~ "\xa3"
* ԴʥХȥΥåʤ
/\w+/u =~ "a\xf3\x8ec"
Ĵ٤뤳ȤϲǽǤϤ뤬٤ʤΤǹԤʤʤ
ʸȤơΤ褦ʥХꤷưݾڤʤ
y~or5J ={Eeu磝Qk ᯘG{?+]ן?wM3X^歌>{7پK>on\jy R g/=fOroNVv~Y+ NGuÝHWyw[eQʨSb> >}Gmx[o[<{Ϯ_qF vM IENDB`