RegExp the lifehack

ictechで発表したスライドです

Transcript

1. 3FH&YQUIFMJGFIBDL
   Roadagain@iiplab:~$ 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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