Creaticalmind

homebrew를 이용해서 mysql 설치를 해보도록 하자 1. 당연히 homebrew는 설치가 되어 있어야 한다. homebrew설치 >>> https://brew.sh/index_ko.html터미널 열고, 따라가면 된다. 2. mysql 설치 $ brew update - 설치명령어$ brew install mysql - 서버 시작 명령어$ mysql.server start - 간편보안 설정 명령어$ mysql_secure_installation VALIDATE PASSWORD PLUGIN can be used to test passwordsand improve security. It checks the strength of passwordand allows the users to set only th..

Page 4If literal value of a special character is required, it must be escaped with a backslash \. Case 1 does not match anything as both characters a special, Case 2 matches all $, Case 3 matches $ only if it is the first and Case 4 the last character. Backslash has special meaning and must be also escaped for literal use (Case 5).Source$12$ \-\ $25$Case 1Regular Expression:^$First match:$12$ \-..

Page 3Some characters have special meanings. Character ^ matches the beginning of the line (Case 1) while dollar sign $ the end of the line (Case 2)Sourcewho is whoCase 1Regular Expression:^whoFirst match:who is whoAll matches:who is whoCase 2Regular Expression:who$First match:who is whoAll matches:who is whohttp://zvon.org/comp/r/tut-Regexp.html#Pages~Page_3 Case1 : 문자열 앞에 [ ^ ] 를 붙이면, 해당 문자열로 ..

Page 2Each character inside the search pattern is significant including whitespace characters (space, tab, new line).SourceHello, world!Case 1Regular Expression:Hello, worldFirst match:Hello, world!All matches:Hello, world!Case 2Regular Expression:Hello, worldFirst match:Hello, world!All matches:Hello, world!http://zvon.org/comp/r/tut-Regexp.html#Pages~Page_2 정규표현식은 빈칸, 탭, 엔터를 구분한다.

Page 1Regular expressions are case sensitive. Therefore Case 1 will find the specified text, but Case 2 will not.SourceHello, world!Case 1Regular Expression:HelloFirst match:Hello, world!All matches:Hello, world!Case 2Regular Expression:helloFirst match:Hello, world!All matches:Hello, world!http://zvon.org/comp/r/tut-Regexp.html#Pages~Page_1 정규표현식에서는 대,소문자를 구별해서 사용 해야 한다.