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正規表現苦手なんです...
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Nobuyuki Nishiyama
October 18, 2019
Programming
1
560
正規表現苦手なんです...
Regex Festa
https://opt.connpass.com/event/140566/
のLTで使った資料です!
Nobuyuki Nishiyama
October 18, 2019
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Transcript
3FHFY'FTUB ਖ਼نදݱۤखͳΜͰ͢ʜ ΅ͬͪήʔϜσϕϩού ࢁ৴ߦɹ
͡Ίʹ ͑Β͍ͱ͜ʹདྷͪ·ͬͨͩʜ
ࠓճͷ͓
ਖ਼نදݱͱͷग़ձ͍ ΨϥέʔͷαΠτΛ࡞͍ͬͯΔ࣌ʹ ʮೖྗ͞ΕͨจࣈྻϝʔϧΞυϨε͔ʁʯ Λఆ͢Δඞཁ͕ੜͨ͡ʂ
ਖ਼نදݱͱͷग़ձ͍ ։ൃݴޠ1FSMɻ
ਖ਼نදݱͱͷग़ձ͍ ʮ1FSMϝϞʯͱ͍͏αΠτͰݟͭ ͚ͨʂ IUUQXXXEJOPSKQdPI[BLJQFSMIUN
None
$mail_regex = q{(?:[^(\040)<>@,;:".\\\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\\} . q{\[\]\000-\037\x80-\xff])|"[^\\\\\x80-\xff\n\015"]*(?:\\\\[^\x80-\xff][} . q{^\\\\\x80-\xff\n\015"]*)*")(?:\.(?:[^(\040)<>@,;:".\\\\\[\]\000-\037\x} . q{80-\xff]+(?![^(\040)<>@,;:".\\\\\[\]\000-\037\x80-\xff])|"[^\\\\\x80-} .
q{\xff\n\015"]*(?:\\\\[^\x80-\xff][^\\\\\x80-\xff\n\015"]*)*"))*@(?:[^(} . q{\040)<>@,;:".\\\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\\\[\]\0} . q{00-\037\x80-\xff])|\[(?:[^\\\\\x80-\xff\n\015\[\]]|\\\\[^\x80-\xff])*} . q{\])(?:\.(?:[^(\040)<>@,;:".\\\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,} . q{;:".\\\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\\\x80-\xff\n\015\[\]]|\\\\[} . q{^\x80-\xff])*\]))*};
Ҿ͍ͨɻ
ٸ͕ճΕ
ٸ͕ճΕ ࢼߦࡨޡͭͭ͠ɺ )5.-λάͷॻ͖͑ͱ͔ɺ จࣈྻஔͱ͔͕Ͱ͖ΔΑ͏ʹͳͬͨʂ
ָ͘͠ͳ͖ͬͯͨॴͰ ͦͷޙ1FSM͔ΒΕɺ 0CKFDUJWF$$ Ͱॻ͘ɻ
&NBDTͰ͏͙͢ΕΔʜ
$ ʹͯਖ਼نදݱαϙʔτʂ
ਖ਼نදݱͷ༷͕Θ͔ΒΜʜ
ௐࠪΛଓ͚ͨ݁Ռ &$."4DSJQUͷਖ਼نදݱͷ༷ ͱ΄΅ಉ͡Β͍͠ʜ
&$."4DSJQUͬͯԿʁ
࠷ۙ+BWB4DSJQUҊ݅Λܦͯ Α͏͘ཧղʹࢸͬͨʂ
.%/࠷ߴͰ͢
༷ͳΜͱͳ͘Θ͔ͬͨ
·ͩ͜ΕΛॻ͚Δؾ͕͠ͳ͍ $mail_regex = q{(?:[^(\040)<>@,;:".\\\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\\} . q{\[\]\000-\037\x80-\xff])|"[^\\\\\x80-\xff\n\015"]*(?:\\\\[^\x80-\xff][} . q{^\\\\\x80-\xff\n\015"]*)*")(?:\.(?:[^(\040)<>@,;:".\\\\\[\]\000-\037\x} . q{80-\xff]+(?![^(\040)<>@,;:".\\\\\[\]\000-\037\x80-\xff])|"[^\\\\\x80-}
. q{\xff\n\015"]*(?:\\\\[^\x80-\xff][^\\\\\x80-\xff\n\015"]*)*"))*@(?:[^(} . q{\040)<>@,;:".\\\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,;:".\\\\\[\]\0} . q{00-\037\x80-\xff])|\[(?:[^\\\\\x80-\xff\n\015\[\]]|\\\\[^\x80-\xff])*} . q{\])(?:\.(?:[^(\040)<>@,;:".\\\\\[\]\000-\037\x80-\xff]+(?![^(\040)<>@,} . q{;:".\\\\\[\]\000-\037\x80-\xff])|\[(?:[^\\\\\x80-\xff\n\015\[\]]|\\\\[} . q{^\x80-\xff])*\]))*};
ͱݴ͏༁Ͱʜ ʑͷ܇࿅ํ๏ͱ͔ίπͱ͔ ڭ͍͑ͯͩ͘͞ʂ
w5XJUUFS!NJOHBNF w'BDFCPPLNJOHBNF w(JU)VCUFLOJTIJ ͓͠·͍ ΞϓϦධ৴தʂ