๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋กํŒŒ์ด์ฌ ๋ฌธ์ž์—ด ์น˜ํ™˜ (1)

DATA101

[ํŒŒ์ด์ฌ/NLP] ๋ฌธ์ž์—ด ์น˜ํ™˜ํ•˜๊ธฐ (์ฐพ์•„๋ฐ”๊พธ๊ธฐ)

์•ˆ๋…•ํ•˜์„ธ์š”, ์˜ค๋Š˜์€ ํŒŒ์ด์ฌ์„ ์ด์šฉํ•˜์—ฌ ๋ฌธ์ž์—ด์„ ์น˜ํ™˜ํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ๊ณต์œ ํ•ด ๋“œ๋ฆฝ๋‹ˆ๋‹ค.๋ฐ”๋กœ ์‹œ์ž‘ํ•˜์ฃ !๋ฌธ์ž์—ด ์น˜ํ™˜์€ ์–ธ์ œ ์‚ฌ์šฉํ• ๊นŒ?์œ„์˜ ์Šคํฌ๋ฆฐ์ƒท์ฒ˜๋Ÿผ ํ•œ ๋ฒˆ์ฏค์€ ํ•œ๊ธ€, ์›Œ๋“œ, ์—‘์…€ ๋“ฑ์—์„œ "์ฐพ์•„ ๋ฐ”๊พธ๊ธฐ" ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•ด ๋ณด์…จ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.๋ฌธ์ž์—ด ์น˜ํ™˜์€ ์ด์ฒ˜๋Ÿผ ํŠน์ • ๋ฌธ์ž๋ฅผ ์ฐพ์•„์„œ ๋ณ€๊ฒฝํ•˜๊ฑฐ๋‚˜ ํŠน์ • ๋ฌธ์ž๋ฅผ ์ฐพ์•„ ์‚ญ์ œํ•  ๋•Œ ์ฃผ๋กœ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.์ด ๊ธฐ๋Šฅ์€ ํŒŒ์ด์ฌ์˜ *์ •๊ทœํ‘œํ˜„์‹(regular expression)์„ ์ง€์›ํ•˜๋Š” re ๋ชจ๋“ˆ ๋‚ด sub ํ•จ์ˆ˜๋ฅผ ํ†ตํ•ด ์ด์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. *์ •๊ทœํ‘œํ˜„์‹์ด๋ž€?์ •๊ทœํ‘œํ˜„์‹์€ ํŠน์ • ํŒจํ„ด์„ ๊ฐ–๋Š” ๋ฌธ์ž์—ด์„ '๊ฒ€์ƒ‰', '์น˜ํ™˜', '์ œ๊ฑฐ'ํ•˜๋Š” ๊ธฐ๋Šฅ์„ ์ง€์›ํ•˜๋Š” ๊ธฐ๋Šฅ์ž…๋‹ˆ๋‹ค.re ํŒจํ‚ค์ง€import re๋จผ์ €, re ํŒจํ‚ค์ง€๋ฅผ ๋ถˆ๋Ÿฌ ์˜ต๋‹ˆ๋‹ค.re.subre ๋ชจ๋“ˆ์˜ sub ํ•จ์ˆ˜(substitute) ํŒŒ๋ผ๋ฏธํ„ฐ ์ž…๋ ฅ๋ฐฉ์‹์€..