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๋ชฉ๋ก์ ๊ทํํ์ (1)
YS's develop story

^ ์์์ ์๋ฏธํจ ex) ^[.] ->.๋ก ์์ํ๋ค๋ฉด.. String string = "...!@BaT#*..y.abcdefghijklm"; string = string.replaceAll("^[.]", "X"); System.out.println(string); // -> X..!@BaT#*..y.abcdefghijklm ^a -> a๋ก ์์ํ๋ค๋ฉด.. String string1 = "apple"; string1 = string1.replaceAll("^a","X"); System.out.println(string1); // -> Xpple; ์ฃผ์ํ ์ ์ ๊ดํธ [] ์์ ^๊ฐ ์๋ค๋ฉด ๋ถ์ ์ ์๋ฏธ๋ก ์ฌ์ฉ๋ฉ๋๋ค. [^.] ->. ์ด ์๋๋ผ๋ฉด.. String string = "...!@BaT#*..y.abcd..
Java
2023. 8. 1. 17:49