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Processing of file in text format by regular expression

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emran last edited by

I'm writing Perl. So there's a text file, the end of the file looks like:
Two line translations, text, two line translations, point
I've got to get this text out, but somehow it's kind of a banal regular expression. //n/n([/w/r/n]+)/n/n/./ It doesn't work. Where did I make a mistake in the regular expression?
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Nykeriab last edited by
Somehow:
```
/^(\r?\n){2}(.+)(\r?\n){2}\./
```
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Saving data in a file is a powerful way if there is no input from an administrator. I think that it is a desktop app that is developing with Qt, and I do not want to use the database very much. In this case, it is important to install MySQL. In addition, you can easily modify the file with the editor, and you can manage the history with git.Although the data is actually used on a server that has about 100,000 files, the processing time is as follows, and the processing is faster than using a simple database. The same command is reboot and the second is cached.niji@data1:/var/cache/weather$ time ls -U meta | wc -l 118578 cdreal 0m0.510s user 0m0.041s sys 0m0.463s niji@data1:/var/cache/weather$ time ls -U meta | wc -l 118578 real 0m0.086s user 0m0.042s sys 0m0.055s niji@data1:/var/cache/weather$ time od -x meta/T06842.json real 0m0.005s user 0m0.000s sys 0m0.002s niji@data1:/var/cache/weather$ time od -x meta/T06842.json real 0m0.002s user 0m0.002s sys 0m0.000s If you need a file, you need to make it. There is no problem if it is 100,000 or 1 millionlsbut the processing speed itself is not a problem. In addition, if the number of files in one folder is too large, it is just a good story.In addition, there is an opinion that it is best to make many each update based on one database, but it is also possible to make many file for execution separately managed by a few files for each update, and it does not necessarily need to be database.What I want to hear about 2PythonpickleVery fast. Qiita https://qiita.com/yniji/items/6585011633289a257888 When I wrote an article, it was 20 times faster than using the database if you want all data. In Python, if you need to save datapickleI think there is no doubt that it is based on saving. Memory and disk space can be used.seekI think that it is not much to use.
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There's only a search on the Internet. http://blog.zhourunsheng.com/2013/08/libiec61850%e5%9c%a8openscada%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%9a%84%e4%bd%bf%e7%94%a8%e4%ba%8c/ integration libiec61850 Total openscada♪One recommendation: The Google Translator presents gaps where it is necessary and not necessary, because the lines/commands are better copied from the original.
Regular expressions (expression to only post @gmail)
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I think you could try this regular expression if what you want is to just be mails with @gmail.com[^@ \t\r\n]+@gmail\.com But if you want anything else to go after @gmailI mean, gmail.org or gmail.someotherdomain You can use this one:[^@ \t\r\n]+@gmail+\.[^@ \t\r\n]+ Regular expressions can be made a little difficult when we have no experience. Tools like this: https://ihateregex.io/ I've been quite facilitated by understanding them dynamically.
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<input type="radio" id="star-4" name="reviewStars" value="star-4"> <label title="Замечательно" for="star-4"></label> Haven't you tried that?
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let str = 'исходная Строка дЛЯ теста'; let res = str.replace(/(?:^|\s)(\S)/ug, m => m.toUpperCase()); console.log(res);(?:^|\s) - the beginning of the line or the missing symbol(\S) - a non-propelled emplacement symbolAs far as I know, js regexp has no analog. \b for unicode. In some cases, this frequency will not be appropriate due to a lack of gaps: а,б,в Best use of class \p{L}:let str = 'исходная Строка дЛЯ теста(раз,два,три)'; let res = str.replace(/(?:^|[^\p{L}])(\p{L})/ug, m => m.toUpperCase()); console.log(res);
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As suggested above in the commentary, it is indeed better to take some html-parcer. HTML is not naturally regulated, but if it is very desirable, the following regular expression will help you:a\sclass="link place-list__item-name"\shref=".+">(.+)<\/a>
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For as long as I remember, and I've got the pages on Delphi-- Delphi can work with DOM. It might be better than regular.
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Regular search
Software Programming • regular expression pcre • • elysha

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If the operator is used | (sighs)or), then for PCRE There will be a need to add a global search sign, i.e. to prohibit searching after the first coincidence. This is done with help g:/text=(.+?\.)|(Message String:\s.+?\.)/g You can just skip the extra symbols between the groups, pointing them out on the:text=(.+?\.).*(Message String:\s.+?\.)
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:method
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http://perldoc.jp/docs/perl/5.6.1/perlsub.pod It is said to be.Generally, users can use it properly,:methodHome http://perldoc.jp/docs/perl/5.16.1/ext/attributes/attributes.pod HomeThe referenced function is a method.
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I don't think you're trying to do that.Make the condition as follows:var where = "ArrivalTime > @0 && ArrivalTime < @1"; Continue to use the parameters in the challenge of the method:trains.Where(where, DateTime.Now.AddMinutes(-100), DateTime.Now.AddMinutes(100)) You don't need a handrail.
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Man, read the text of the mistakes:F:\CodeBlocks\Code_blocks_prj\The_Matrix\MyClasses.cpp|24|error: request for member 'is_open' in 'input_file', which is of pointer type 'std:ifstream* {aka std:basic_ifstream*}' (maybe you meant to use '-'?Try to replace the... on the constituent. You're working with the index.
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grep "^[.]*" test.txt|sed 's/ /\\ /g'|xargs du -shand 100,500 other methods.
Regular expression
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Try this:In [135]: re.search('Ultimate Question.*?(\d+)', s1).group(1) Out[135]: '42'
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If you need to replace the whole g img, there's enough of:$content[$i]=preg_replace('/<img[^>]+\>/i', '88', $content[$i]);
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var reg = /(https?:\/\/)([^/.]*)([.ru]*)/gi; var str = "Hello, Alexey, let's go to http://duckhub.ru, or https://belinux.ru ?"; var newstr = str.replace(reg, "<a href='http://duckhub.ru'></a>");

Processing of file in text format by regular expression

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