모든 문자

모든 문자

Page 5 - 포인트는 모든 캐릭터를 매칭함!

• Source : Regular expressions are powerful!!
• Case 1
  • Regular Expression : .
  • First match: Regular expressions are powerful!!
  • All matches : Regular expressions are powerful!!
• Case 2
  • Regular Expression : ......
  • First match: Regular expressions are powerful!!
  • All matches : Regula/r expr/ession/s are /powerf/ul!! (6개씩 끊김)
• Point . matches any character. (일종의 와일드 카드)

 

Page 6 - Point도 특별하니깐 찾고 싶으면 이스케이핑해야함!

• Source : O.K.
• Case 1
  • Regular Expression : .
  • First match: O.K.
  • All matches : O.K.
• Case 2
  • Regular Expression : \.
  • First match: O.K.
  • All matches :O.K.
• Case 3
  • Regular Expression : \..\.
  • First match: O.K.
  • All matches :O.K.
• The point must be escaped if literal meaning is required.