패턴 15 - { } (중괄호) - 문자 반복 횟수 특정 {a} : 딱 a숫자만큼 해당 - Case 1 {a,b} : 최소 a, 최대 b 숫자까지 해당 - Case 2 {a,} : 최소 a 숫자 이상이면 해당 - Case 3 Source One ring to bring them all and in the darkness bind them Case 1 - 어떠한 문자든 5개씩 반복 Regular Expression: .{5} First match: One ring to bring them all and in the darkness bind them All matches: One ring to bring them all and in the darkness bind them Case 2 - 소문자 e , l , s 조합으로 최소1 최대 3개씩 반복 Regular Expression: [els]{1,3} First match: One ring to bring them all and in the darkness bind them All matches: One ring to bring them all and in thedarkness bind them Case 3 - 소문자 a ~ z 중 최소 3글자 이상씩 반복 Regular Expression: [a-z]{3,} First match: One ring to bring them all and in the darkness bind them All matches: One ring to bring them all and in thedarkness bind them
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