[B! regexp] yokochieã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

yokochie id:yokochie

regexpã«é–¢ã™ã‚‹yokochieã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (11)

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Google Code Searchã§ä½¿ã‚ã‚Œã¦ã„ã‚‹æ£è¦è¡¨ç¾ãƒ©ã‚¤ãƒ–ãƒ©ãƒªRE2ãŒå…¬é–‹ã•ã‚ŒãŸã€‚ http://code.google.com/p/re2/ PCREç³»ã®ãƒãƒƒã‚¯ãƒˆãƒ©ãƒƒã‚¯å¼ï¼ˆæŒ‡æ•°çš„æ™‚é–“ã€ã©ã“ã¾ã§ã‚‚ä¼¸ã³ã‚‹ã‚¹ã‚¿ãƒƒã‚¯ï¼‰ã«å¤‰ã‚ã‚‹ã‚‚ã®ã¨ã—ã¦ã€Ken Thompsonã®open source grepã§ä½¿ã‚ã‚Œã¦ã„ã‚‹ fast DFAæ–¹å¼ï¼ˆå¤šé …å¼æ™‚é–“ã€å›ºå®šã‚¹ã‚¿ãƒƒã‚¯ï¼‰ã§å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ã‚‰ã—ã„ã€‚ã¡ã‚‡ã¨è©¦ã—ã¦ã¿ã‚ˆã†ã‹ã¨ã€‚ ã¾ãšã¯PCREã®é€Ÿåº¦æ¸¬å®š http://swtch.com/~rsc/regexp/regexp1.html ã¨ã®ã“ã¨ã§ã€è©¦ã—ã¦ã¿ã‚‹ã€‚ PCREã§(a?)^n(a)nã‚’ã¤ãã£ã¦å®Ÿé¨“ã€‚ #include <iostream> #include <string> #include <sys/time.h> #include <pcrecpp.h> long long gettime() {
yokochie 2010/03/23
regexp

performance

programming

re2
ãƒªãƒ³ã‚¯
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Smashing Magazine - WE SMASH YOU WITH THE INFORMATION THAT WILL MAKE YOUR LIFE EASIER, REALLY. æ–‡å—åˆ—ã‚’å‡¦ç†ã™ã‚‹ã«ã‚ãŸã£ã¦æ£è¦è¡¨ç¾ã¯æ¬ ã‹ã›ãªã„æ©Ÿèƒ½ã¨ã„ãˆã‚‹ã€‚ä»»æ„ã®æ–‡å—åˆ—ã‚„ãƒ†ã‚ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã€HTML/XMLã‹ã‚‰ç‰¹å®šã®ã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ã‚’æ¤œç´¢ã—ãŸã‚Šå–ã‚Šå‡ºã—ã€ç½®æ›ã‚’ãŠã“ãªã†ã«ã‚ãŸã£ã¦ã€æ£è¦è¡¨ç¾ãŒä½¿ãˆã‚‹ã¨ä½¿ãˆãªã„ã®ã¨ã§ã¯ã€ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®æ‰‹é–“ã‚„ãƒ„ãƒ¼ãƒ«ã®æ´»ç”¨åº¦åˆã„ãŒå¤‰ã‚ã£ã¦ãã‚‹ã€‚ æ£è¦è¡¨ç¾ã¯ä¾¿åˆ©ã§å¼·åŠ›ãªæ©Ÿèƒ½ã ãŒã€ãã®ç‹¬ç‰¹ã®è¡¨è¨˜æ–¹æ³•ã¯ãƒ—ãƒã‚°ãƒ©ãƒžåˆå¿ƒè€…ã«ã¯æ•·å±…ã®é«˜ã„ã‚‚ã®ã§ã‚‚ã‚ã‚‹ã€‚Glen Stansberryæ°ã«ã‚ˆã‚‹æ£è¦è¡¨ç¾ã«é–¢ã™ã‚‹ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã‚„è³‡æ–™ã€ãƒ„ãƒ¼ãƒ«ãªã©ã®ã¾ã¨ã‚ãŒSmashing Magazineã«Essential Guide To Regular Expressions: Tools and Tutori
yokochie 2009/06/08
ã¾ã¨ã‚

programming

regexp
ãƒªãƒ³ã‚¯
tokuhirom blog
Blog Search when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${entry.path} [in template "__entry.ftlh" at line 3, column 25] - Reached through: #include "__entry.ftlh" [in template "entry.ftlh" at
yokochie 2009/03/25
cpan

perl

programming

regexp
ãƒªãƒ³ã‚¯
ã€ŒPHPä½¿ã„ã¯ã‚‚ã†æ£è¦è¡¨ç¾ã‚’blogã«æ›¸ããªã€ã¨è¨€ã‚ã›ãªã„ã§ãã‚Œ : 404 Blog Not Found
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yokochie 2009/03/24
PHPã¯æ¨™æº–é–¢æ•°ã§ãƒ¡ãƒ¼ãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ãƒã‚§ãƒƒã‚¯ã§ãã‚‹ã‚ˆã†ã«ã™ã¹ãã€PHPã®æ´å²ã‚’è¸ã¾ãˆã¦è¨€ã†ã¨

dankogai

php

regexp
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Perl, Rubyãªã©æ‰‹è»½ã«ä½¿ãˆã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã«æ…£ã‚Œã¦ãã‚‹ã¨ã€ã‚ã‚‰ã‚†ã‚‹ãƒ†ã‚ã‚¹ãƒˆãƒ‡ãƒ¼ã‚¿ã®å‡¦ç†ã«æ£è¦è¡¨ç¾(regular expression)ã‚’ä½¿ã£ã¦ã—ã¾ã„ãŒã¡ã§ã™ã€‚ ã‘ã‚Œã©å®Ÿã¯ã€æ£è¦è¡¨ç¾ã®å‡¦ç†èƒ½åŠ›ã‚’è¶…ãˆã‚‹ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã¨ã„ã†ã®ãŒå˜åœ¨ã—ã¾ã™ã€‚ãã®å…¸åž‹çš„ãªä¾‹ãŒã€XMLã‚„JSONã®ã‚ˆã†ã«ã€å…¥ã‚Œåã«ãªã£ãŸãƒ‡ãƒ¼ã‚¿ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã§ã™ã€‚
yokochie 2009/01/29
algorithm

programming

regexp
ãƒªãƒ³ã‚¯
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yokochie 2008/12/10
programming

regexp

tool

web
ãƒªãƒ³ã‚¯
404 Blog Not Found:perl - å‹æ‰‹ã«æ·»å‰Š - 40è¡Œã§ä½œã‚‹Perlç”¨ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã‚¨ãƒ³ã‚¸ãƒ³
2007å¹´10æœˆ30æ—¥20:00 ã‚«ãƒ†ã‚´ãƒªLightweight Languages perl - å‹æ‰‹ã«æ·»å‰Š - 40è¡Œã§ä½œã‚‹Perlç”¨ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã‚¨ãƒ³ã‚¸ãƒ³ ä¹…ã€…ã®å‹æ‰‹ã«æ·»å‰Šã€‚ä»Šå›žã¯ã“ã¡ã‚‰ã€‚ 40è¡Œã§ä½œã‚‹Perlç”¨ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã‚¨ãƒ³ã‚¸ãƒ³ æ£è¦è¡¨ç¾ãŒã‚‰ã¿ãªã®ã§ã€Perlä»¥å¤–ã§ã‚‚æœ‰ç”¨ã€‚ æ·»å‰Šç®‡æ‰€ã¯ã€ã“ã¡ã‚‰ã€‚ 40è¡Œã§ä½œã‚‹Perlç”¨ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã‚¨ãƒ³ã‚¸ãƒ³ sub convert { return unless defined(my $str = shift); $str =~ s{&}{&}gso; $str =~ s{<}{<}gso; $str =~ s{>}{>}gso; $str =~ s{\"}{"}gso; $str; } ã“ã‚Œã®æœ€åˆã®substitutionãŒ&ã§ã¯ãªãã¦&ã§ã¯ãªã„ã‹ã¨ã„ã†ã®ã¯ã•ã¦ãŠãã€ã“ã†ã„ã£ãŸå ´åˆã€ä½•åº¦ã‚‚æ£è¦è¡¨ç¾ã‚’ã‹ã‘
yokochie 2007/11/01
perl

regexp

template
ãƒªãƒ³ã‚¯
https://labs.cybozu.co.jp/blog/kazuho/archives/2007/07/perl_ndes_regex.php
yokochie 2007/07/19
perl

regexp
ãƒªãƒ³ã‚¯
404 Blog Not Found:perl - Regexp::Assembleã®ã‚¹ã‚¹ãƒ¡
2007å¹´04æœˆ19æ—¥15:00 ã‚«ãƒ†ã‚´ãƒªLightweight Languages perl - Regexp::Assem bleã®ã‚¹ã‚¹ãƒ¡ ã¨ã„ã†ã‚ã‘ã§ã€Regexp::Assem bleã®ã”ç´¹ä»‹ã€‚ PERL HACKS(æ—¥æœ¬èªžç‰ˆ) [è‹±èªžç‰ˆ] odz buffer - ãã‚Œ Regexp::Assem bleã‚“ï¼Ÿãƒ«ãƒ¼ãƒ—äº‘ã€…ã‚’æŠœãã«ã—ã¦ã€ã“ã†ã„ã†ã®ã¯ Regexp::Assem ble ã®å‡ºç•ªã˜ã‚ƒãªã„ã®ï¼Ÿ ã™ã§ã«Perl Hackerså¾¡ç”¨é”ã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¨ãªã£ã¦ã„ã¾ã™ãŒã€ã¾ã çŸ¥ã‚‰ãªã„æ–¹ã‚‚ã„ã‚‰ã£ã—ã‚ƒã‚‹ã‹ã‚‚çŸ¥ã‚Œãªã„ã®ã§ã€‚ ä½•ã‚’ã™ã‚‹ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‹ã€ã¨ã„ãˆã°ã€ä»¥ä¸‹ã‚’è¦‹ã‚Œã°ä¸€ç›®çžç„¶ã§ã—ã‚‡ã†ã€‚ Regexp::Assem ble - Assem ble multiple Regular Expressions into a single RE - search.cpan.org use Regexp::Asse
yokochie 2007/04/20
perl

regexp

cpan
ãƒªãƒ³ã‚¯
{perl,ruby} -nle 'print if /start/../end/' : 404 Blog Not Found
2006å¹´12æœˆ22æ—¥19:00 ã‚«ãƒ†ã‚´ãƒªLightweight Languages {perl,ruby} -nle 'print if /start/../end/' ã‚¢ãƒ«ãƒ•ã‚¡ã‚®ãƒ¼ã‚¯ã§ã‚‚çŸ¥ã‚‰ãªã‹ã£ãŸã¨ã„ã†ã®ã¯ã€ä¸æ€è°ã§ã‚‚ã‚ã‚Šå½“ç„¶ã®ã‚ˆã†ã§ã‚‚ã‚ã‚Šã€‚ naoyaã‚°ãƒ«ãƒ¼ãƒ— - naoyaã®æ—¥è¨˜ - if /regexp/../regexp/ Perl ã§æ£è¦è¡¨ç¾ã‚’ .. ã™ã‚‹ã¨ã€ãã®é–“ã«å«ã¾ã‚Œã‚‹æ–‡å—åˆ—ã¨ã„ã†æ„å‘³ã§ãƒžãƒƒãƒã•ã›ã‚‰ã‚Œã‚‹ã€‚ % w3m -dump_source http://www.yahoo.com/ | perl -nle 'print if /^<style/../<\/style>/' ã¨ã™ã‚‹ã¨ã“ã‚Œã€å®Ÿã«ç”±ç·’æ£ã—ã„ä½¿ã„æ–¹ã§ã€ãŸã—ã‹ã¾ã perlãŒhashã™ã‚‰ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ãªã„é ƒã‹ã‚‰ã‚ã£ãŸã¨è¨˜æ†¶ã—ã¦ã„ã¾ã™ã€‚ãªã«ã—ã‚sed/awkãŒèµ·æºã§ã™ã‹ã‚‰ã€‚ NAME operator - se
yokochie 2006/12/25
çŸ¥ã‚‰ãªã‹ã£ãŸ

programming

perl

regexp
ãƒªãƒ³ã‚¯
ã¯ã¦ãªã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰APIã‹ã‚‰ã¯ã¦ãªã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ä¸€è¦§ã‚’å–å¾—ã™ã‚‹ - odz buffer
technical note - ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼ã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ã¨è¾žæ›¸ ã“ã†ã§ã™ã‹ï¼Ÿè‰¯ãã‚ã‹ã‚Šã¾ã›ã‚“ã€‚ % wget http://d.hatena.ne.jp/images/keyword/keywordlist % python extractkeyword.py keywordlist > keywordlist.extracted % grep java keywordlist.extracted | head -n 10 10688:java 10689:java community process 10690:java computing 10691:java desktop system 10692:java ee 10693:java press 10694:java se 10695:java server faces 10696:java studio 10697:java
yokochie 2006/09/08
hatena

keyword

regexp

python
ãƒªãƒ³ã‚¯
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