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RegExp the lifehack

RegExp the lifehack

ictechで発表したスライドです

Roadagain

June 20, 2017
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  1. 3FH&YQUIFMJGFIBDL
    [email protected]:~$ cat *.log | grep “^\S+72”

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  2. ਖ਼نදݱ
    /[rR]eg[eE]xp?/

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  3. ਖ਼نදݱ
    ςΩετฤूͷཔΓʹͳΔΦτϞ

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  4. ਖ਼نදݱ
    ίʔυฤूͷཔΓʹ΋ͳΔΦτϞ

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  5. ਖ਼نදݱ
    ࢖͑Δͱඇৗʹศརʂ
    ࠷ૣϥΠϑϋοΫͷҰछ

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  6. ਖ਼نදݱ
    Ҿ਺ͷมߋʹҰׅରԠʂ
    ෳ਺ύλʔϯͷλΠϙΛҰׅमਖ਼ʂ
    දه༳Εͷදݱʹ࢖͑Δʂ

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  7. ਖ਼نදݱ
    ࠓճ঺հ͢Δͷ͸
    ೔ৗͰ࢖͑Δਖ਼نදݱ

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  8. େ·͔ͳ෼ྨ
    จࣈྻ
    ϝλจࣈ
    ͦͷଞͷจࣈΫϥε

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  9. େ·͔ͳ෼ྨ
    จࣈྻ
    ϝλจࣈ
    ͦͷଞͷจࣈΫϥε

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  10. จࣈྻ
    จࣈྻ୳ࡧ

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  11. จࣈྻ

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  12. େ·͔ͳ෼ྨ
    จࣈྻ
    ϝλจࣈ
    ͦͷଞͷจࣈΫϥε

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  13. ϝλจࣈ
    ී௨ʹจࣈͱͯ͠࢖͏৔߹͸
    Τεέʔϓ͕ඞཁͰ͢

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  14. ϝλจࣈ ܁Γฦ͠

    * ճҎ্
    + ճҎ্
    ? ճPSճ
    ho* =~ hook
    la+ =~ claaap
    hoge? =~ hog

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  15. ϝλจࣈ ܁Γฦ͠

    {n} Oճ
    {n,m} OճdNճ
    go{2} =~ google
    ap{1,2} =~ apple

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  16. ϝλจࣈ จࣈݶఆ

    . จࣈ
    [ ] <>಺ͷࣈ
    [a-z] BUP[
    [^ ] OPU
    .at =~ hat
    [abc] =~ abc
    [A-Z] =~ TeX
    [^hex] =~ enum

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  17. ϝλจࣈ อଘ

    () ͘͘Δ
    \n
    ͷϚον෦
    (abc) =~ abc
    ([ab])\1 =~ aa

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  18. ϝλจࣈ ͦͷଞ

    . ೚ҙͷࣈ
    | 03
    ^ ߦ಄ ઌ಄

    $ ߦ຤ ຤ඌ

    \ Τεέʔϓ
    .at =~ hat
    lic|sk =~ click
    ^fx =~ fxac
    eX$ =~ LaTeX
    \.a =~ .alsoc

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  19. େ·͔ͳ෼ྨ
    จࣈྻ
    ϝλจࣈ
    ͦͷଞͷจࣈΫϥε

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  20. ͦͷଞͷจࣈΫϥε
    1FSMͷఆ͕ٛେຊͬΆ͍
    104*9Ϋϥε͸ ࢖Θ
    ͳ͍Ͱ͢

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  21. ͦͷଞͷจࣈΫϥε
    \d ΞϥϏΞ਺ࣈ
    \w BMOVN
    \s ۭനจࣈ
    \d+ =~ 114514
    \w+7 =~ k1ja7a9
    a\s+b =~ d␣a␣␣b

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  22. ͦͷଞͷจࣈΫϥε
    \D [^\d]
    \W [^\w]
    \S [^\s]

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  23. ਖ਼نදݱ࢖༻ྫ
    ద౰ʹσϞ͠·͢

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  24. ·ͱΊ
    ਖ਼نදݱ͸ςΩετฤूͷڧ͍ຯํ
    ਖ਼نදݱ͸ϥΠϑϋοΫ
    ࠷ѱ.*͚֮ͩ͑ͱ͚͹େৎ෉

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