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μžλ°”μŠ€ν¬λ¦½νŠΈ : λ¬Έμžμ—΄ 검색 λ©”μ„œλ“œ : search()

by μ½”νŒŒμΉ΄ 2022. 8. 22.
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λ¬Έμžμ—΄ 검색 λ©”μ„œλ“œ : search()

search() λ©”μ„œλ“œλŠ” λ¬Έμžμ—΄(μ •κ·œμ‹ 포함)을 κ²€μƒ‰ν•˜κ³ , μœ„μΉ˜κ°’(숫자)을 λ°˜ν™˜ν•©λ‹ˆλ‹€. indexOf() λ©”μ„œλ“œμ™€ κ°™μ§€λ§Œ, search() λ©”μ„œλ“œλŠ” μ •κ·œμ‹μ„ μ‚¬μš©ν•  수 μžˆλ‹€λŠ” μ μ—μ„œ 차이가 μžˆμŠ΅λ‹ˆλ‹€.


search() λ©”μ„œλ“œ

1. "λ¬Έμžμ—΄".search("검색값")

const str1 = "javascript reference";
const currentStr1 = str1.search("javascript");
const currentStr2 = str1.search("reference");
const currentStr3 = str1.search("j");
const currentStr4 = str1.search("a");
const currentStr5 = str1.search("v");
const currentStr6 = str1.search("jquery");
const currentStr7 = str1.search("b");
결과보기
0
11
0
1
2
-1
-1

2. "λ¬Έμžμ—΄".search(μ •κ·œμ‹ ν‘œν˜„)

const currentStr8 = str1.search(/[a-z]/g);
결과보기
0

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