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[JavaScript] ๋ฌธ์ž์—ด ๋ฉ”์„œ๋“œ - search()

by ์ฝ”๋”ฉ๊ณต์ฑ… 2022. 8. 22.
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๋ฌธ์ž์—ด ๋ฉ”์„œ๋“œ : search()

์ด๋ฒˆ ํฌ์ŠคํŒ…์—์„œ๋Š” ๋ฌธ์ž์—ด ๋ฉ”์„œ๋“œ ์ค‘ search()์— ๋Œ€ํ•ด ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.


search()

๋ฌธ์ž์—ด์„ ๊ฒ€์ƒ‰ํ•˜๊ณ  ์œ„์น˜๊ฐ’์„ ์ˆซ์ž๋กœ ๋ฐ˜ํ™˜ํ•œ๋‹ค.

//"๋ฌธ์ž์—ด".search("๊ฒ€์ƒ‰๊ฐ’");
//"๋ฌธ์ž์—ด".search(์ •๊ทœ์‹ ํ‘œํ˜„);
const str1 = "javascript reference";
const currentStr1 = str1.search("javascript");             //0
const currentStr2 = str1.search("reference");              // 11
const currentStr3 = str1.search("j");                      // 0
const currentStr4 = str1.search("a");                      // 1
const currentStr5 = str1.search("v");                      // 2
const currentStr6 = str1.search("jquery");                 // -1 : ์—†๋Š” ๋ฐ์ดํ„ฐ
const currentStr7 = str1.search("b");                      // -1
const currentStr8 = str1.search(/[a-z]/g);                 // 0
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