내 열 중 하나에 다음 문자열이 포함되어 있습니다.
259333154-Carat Programmatic»FCO»O»EV3»D&B - FCO Prospects ABM DDD 2020 D&B ABM ENDING 1/31/2020»NA+728 x 90»IN»UNV»TP»PM»dCPM»NAT»BTP»RON»NA»DB»N/A»ENG»M»P159WXZ
238114259-Carat Programmatic»CPO XT5»O»EV2»END DATE 2/28/19 Google Custom Intent - XT5 CPO Google Custom Intent Audience/In Market Audience»NA+160 x 600»IN»DSK»TP»PM»CPM»NAT»BTS»RON»NA»DB»N/A»ENG»M»PX5LV6
251368220-Carat Programmatic»XT6»O»EV1»END DATE 9/30/19 2019 Cadillac SMRT Always On - CRM - SMRT Segment XT6 Desktop Display»NA+160 x 600»IN»DSK»TP»PM»CPM»NAT»PRS»RON»NA»DB»N/A»ENG»M»P12LQG3
235105211-Ebay»Silverado 1500»M»CON»ended 3/20 - ROS - eBay Run of Motors Desktop»NA+300 x 250»IN»DSK»TP»PM»CPM»NAT»SCR»ROS»NA»DB»N/A»ENG»M»PW79JH
234990143-Carat Programmatic»XT4»O»EV2»Endemic - Loyalist|Edmunds&Oracle|N/A|Vehicle|N/A 2»NA+300 x 250»IN»MOB»TP»PM»CPM»NAT»BTO»RON»IMW»DB»N/A»ENG»M»PW7NSN
내 임무는 문자열에서 다음을 제거하는 것입니다.
1/31/2020, 3/20)Ending, ENDING, END, end, End, END DATE하지만하지 않은 문자열에서 "끝" endemic마지막처럼에" "나는 이것으로 정말 힘든 시간을 보내고 있습니다. 일부 작업을 수행하기 위해 다음과 같이 여러 줄의 코드를 사용하고 있지만이 작업을 더 간결하고 완전하게 수행하는 방법을 모릅니다.
dat = gsub("2017|2018|2019|2020", "" ,dat)
dat = gsub("»»", "»", dat)
dat = gsub("END ", "", dat)
dat = gsub("end ", "", dat)
dat = gsub("Ended ", "", dat)
dat = gsub("ENDED ", "", dat)
dat = gsub("DATE|date|Date", "", dat)
도와 주셔서 감사합니다!
다음을 확인하십시오.
\b(?:0?[1-9]|1[012])(?:[-/.](?:0?[1-9]|[12][0-9]|3[01]))?[-/.](?:19|20)?\d\d\b "날짜 (예 : 2020 년 1/31/2020, 3/20)"사례를 처리해야합니다.(?i)\bEnd(?: DATE|(?:ing)?)\b "Ending", "ENDING", "END", "end", "End", "END DATE"와 같은 문자열은 처리해야하지만 마지막 문자열과 같이 "endemic"이있는 문자열의 "end"는 처리하지 않아야합니다. 케이스([\s»]){2,}" 이중 공백 예 :" " "케이스를 처리해야합니다 .모두 결합 :
gsub("\\b(?:End(?:\\s+DATE|(?:ing)?)|(?:0?[1-9]|1[012])(?:[-/.](?:0?[1-9]|[12][0-9]|3[01]))?[-/.](?:19|20)?\\d\\d)\\b|([\\s»]){2,}", "\\1", x, perl=TRUE, ignore.case=TRUE)
증거를 참조하십시오 .
설명
--------------------------------------------------------------------------------
\b the boundary between a word char (\w) and
something that is not a word char
--------------------------------------------------------------------------------
(?: group, but do not capture:
--------------------------------------------------------------------------------
End 'End'
--------------------------------------------------------------------------------
(?: group, but do not capture:
--------------------------------------------------------------------------------
DATE ' DATE'
--------------------------------------------------------------------------------
| OR
--------------------------------------------------------------------------------
(?: group, but do not capture (optional
(matching the most amount possible)):
--------------------------------------------------------------------------------
ing 'ing'
--------------------------------------------------------------------------------
)? end of grouping
--------------------------------------------------------------------------------
) end of grouping
--------------------------------------------------------------------------------
| OR
--------------------------------------------------------------------------------
(?: group, but do not capture:
--------------------------------------------------------------------------------
0? '0' (optional (matching the most
amount possible))
--------------------------------------------------------------------------------
[1-9] any character of: '1' to '9'
--------------------------------------------------------------------------------
| OR
--------------------------------------------------------------------------------
1 '1'
--------------------------------------------------------------------------------
[012] any character of: '0', '1', '2'
--------------------------------------------------------------------------------
) end of grouping
--------------------------------------------------------------------------------
(?: group, but do not capture (optional
(matching the most amount possible)):
--------------------------------------------------------------------------------
[-/.] any character of: '-', '/', '.'
--------------------------------------------------------------------------------
(?: group, but do not capture:
--------------------------------------------------------------------------------
0? '0' (optional (matching the most
amount possible))
--------------------------------------------------------------------------------
[1-9] any character of: '1' to '9'
--------------------------------------------------------------------------------
| OR
--------------------------------------------------------------------------------
[12] any character of: '1', '2'
--------------------------------------------------------------------------------
[0-9] any character of: '0' to '9'
--------------------------------------------------------------------------------
| OR
--------------------------------------------------------------------------------
3 '3'
--------------------------------------------------------------------------------
[01] any character of: '0', '1'
--------------------------------------------------------------------------------
) end of grouping
--------------------------------------------------------------------------------
)? end of grouping
--------------------------------------------------------------------------------
[-/.] any character of: '-', '/', '.'
--------------------------------------------------------------------------------
(?: group, but do not capture (optional
(matching the most amount possible)):
--------------------------------------------------------------------------------
19 '19'
--------------------------------------------------------------------------------
| OR
--------------------------------------------------------------------------------
20 '20'
--------------------------------------------------------------------------------
)? end of grouping
--------------------------------------------------------------------------------
\d digits (0-9)
--------------------------------------------------------------------------------
\d digits (0-9)
--------------------------------------------------------------------------------
) end of grouping
--------------------------------------------------------------------------------
\b the boundary between a word char (\w) and
something that is not a word char
--------------------------------------------------------------------------------
| OR
--------------------------------------------------------------------------------
( group and capture to \1 (at least 2 times
(matching the most amount possible)):
--------------------------------------------------------------------------------
[\s»] any character of: whitespace (\n, \r,
\t, \f, and " "), '»'
--------------------------------------------------------------------------------
){2,} end of \1 (NOTE: because you are using a
quantifier on this capture, only the LAST
repetition of the captured pattern will be
stored in \1)
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