패턴 5 - . (마침표) : 모든 문자 1글자에 해당 Source Regular expressions are powerful!!! Case 1 - 마침표가 하나이므로, 1 글자씩 끊어서 모두 찾기 Regular Expression: . First match: Regular expressions are powerful!!! All matches: Regular expressions are powerful!!! Case 2 - 마침표가 6개이므로, 6글자씩 끊어서 문자열 모두 찾기 Regular Expression: ...... First match: Regular expressions are powerful!!! All matches: Regular expressions are powerful!!!
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