Java将字符串拆分为段落 [英] Java splitting string into paragraphs
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问题描述
我有一个很大的字符串，需要在一行中基于-将其分成几段，下面是字符串
I have a big string that needs to be split into paragraphs based on "-- " in a single line and below is the string
access.log-2017-07-10 05:30:02 127.0.0.1 GET 200 58944 0.079 - "" - - - - - /platform/scheduler/logout.jsp 9148257800613007309 - - - - - - - - -
access.log-2017-07-10 05:45:00 127.0.0.1 POST 200 10 0.084 "55" "" - - - - - /platform/scheduler/login.jsp 9148257800613007349 - - - - - - - - -
access.log-2017-07-10 05:45:00 127.0.0.1 GET 302 333 0.02 - "test123" - - - - - /report/scheduler/schedule.jsp?notify=y 9148257800613007349 - - - - - - - - -
access.log-2017-07-10 05:45:00 127.0.0.1 GET 200 168427 0.171 - "" - - - - - /report/reports.jsp?report=6030654077013281451 9148257800613007349 - - - - - - - - -
access.log-2017-07-10 05:45:00 127.0.0.1 GET 200 58944 0.034 - "" - - - - - /platform/scheduler/logout.jsp 9148257800613007349 - - - - - - - - -
access.log:2017-07-10 05:59:05 10.233.32.75 POST 302 325 3.189 "133" "" - - - - - /login.jsp 9148257800613007357 - - - - - - - - "http://10.112.251.31:6300/login.jsp?redirectKey=_from_url_e4600ddc-2c02-4c85-9eff-83bee5457c14" kranthi123
access.log-2017-07-10 05:59:06 10.233.32.75 GET 200 30119 1.422 - "" - - - - - /ncobject.jsp?id=9137288153213290331 9148257800613007357 - - - - - - - - "http://10.112.251.31:6300/login.jsp?redirectKey=_from_url_e4600ddc-2c02-4c85-9eff-83bee5457c14"
access.log-2017-07-10 05:59:07 10.233.32.75 GET 200 32 0.009 - "" - - - - - /CSServlet 9148257800613007357 - - - - - - - - "http://10.112.251.31:6300/ncobject.jsp?id=9137288153213290331"
access.log-2017-07-10 05:59:07 10.233.32.75 GET 404 52534 0.454 - "" - - - - - /scripts/jquery/form-styler/jquery/jquery.formstyler/jquery.formstyler.min.js 9148257800613007357 - - - - - - - - "http://10.112.251.31:6300/ncobject.jsp?id=9137288153213290331"
--
start_check_state.log-
start_check_state.log-Initializing WebLogic Scripting Tool (WLST) ...
start_check_state.log-
start_check_state.log:Welcome to WebLogic Server Administration Scripting Shell kranthi123
start_check_state.log-
start_check_state.log-Type help() for help on available commands
start_check_state.log-
start_check_state.log-Connecting to t3://0.0.0.0:6300 with userid system ...
start_check_state.log-Successfully connected to Admin Server 'devSrv25131' that belongs to domain 'dev'.
--
start_check_state.log-
start_check_state.log-Initializing WebLogic Scripting Tool (WLST) ...
start_check_state.log-
start_check_state.log:Welcome to WebLogic Server Administration Scripting Shell kranthi123
start_check_state.log-
start_check_state.log-Type help() for help on available commands
start_check_state.log-
start_check_state.log-Connecting to t3://0.0.0.0:6300 with userid system ...
start_check_state.log-Successfully connected to Admin Server 'devSrv25131' that belongs to domain 'dev'.
我使用了split的方式很多，但都不起作用
I have used split in so many ways and none of them worked
下面是我使用过的一些。
Below are few of them which i have used.
split("\n--\n");
split("^\\s");
split("\\n--\\n")
它们都不起作用
推荐答案
使用此正则表达式：（？m）^-$ \ R？
(?m)Enables multiline mode^Match the beginning of a line--Match the characters--$Match the end of a line\R?Optionally match a linebreak
即匹配仅由两个破折号（-）字符组成的行，包括以该行结尾的换行符（如果存在）。
I.e. match a line consisting of nothing but two dash (-) characters, including the linebreak ending the line, if present.
作为Java代码，即：
As Java code, that is:
String[] paragraphs = input.split("(?m)^--$\\R?");
请参见 IDEONE 作为证据。
这篇关于Java将字符串拆分为段落的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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