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  • Matching Word with regular expression

    - by lbar
    I have the following text file: ... "somewords MYWORD";123123123123 "someother MYWORDOTHER";456456456456 "somedifferent MYWORDDIFFERENT";789789789 ... i need to match the word MYWORD, MYWORDOTHER, MYWORDDIFFERENT and then substitute the space before this word with ";". Someone can figure out a regex? I have done something like that: +[^ ][^ ][^ ][^ ][^ ][^ ][^ ]"; but this works only with a specific word lenght. I need to modify to get any word of any leght. Any help? Thank you.

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  • C#: Using regular expression (Regex) to duplicate a specific character in a string

    - by user3703944
    Anyone know how to use regex to duplicate a specific character in a string? I have a path that is entered like this: C:/Example/example I would like to use regex (or any other method) to display it like this: C://Example//example Is it possible? This is where I'm getting the file path private void btnSearchImage_Click_1(object sender, EventArgs e) { OpenFileDialog ofd = new OpenFileDialog(); ofd.Filter = "Image Files(*.jpg; *.jpeg; *.gif; *.bmp)|*.jpg; *.jpeg; *.gif; *.bmp"; if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK) { string filenName = ofd.FileName; pictureBox1.Image = new Bitmap(filenName); string path = filenName; txtimgPath.Text = path; } } Thanks

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  • Regular Expression to match a string

    - by Adam Witko
    Hi, I've got two possible string inputs that my application will receive, and if it matches the following two strings, I need it regex.ismatch() to return true: "User * has logged out" "User * has joined" I'm not that good at regex and just can't figure out how to go about matching the above. Any help would be great!!!

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  • which regular expressions do you use the most?

    - by markcial
    I'm starting to learn reg exp and i'm just curious to reg exp used by the rest of the people so i can have a thread to look at and learn from. I had started with the eight listed here, i tried to play a little big with firebug and some tutorials and used some in my websites, but i'd like to know some from more experienced people. Thanks!

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  • Regular expression - skip string in quotes using sed

    - by milano
    I have string like this: "Some standard text CONST_INSIDE_QUOTES" blah blah CONST "There might be another quotes" The thing is, that i want to replace all constants in string with some text, but it mustn't be applied on constants inside text in quotes. I have this regex: sed "s/([A-Z][A-Z0-9_]*)([^a-z])/<span class=\"const\"\1<\/span\2/g" which of course works for all consts. Any ideas how to exclude its apply on quotes constants? Unfortunately sed only...

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  • Perl check for the existence of a value in a regular array

    - by Mel
    I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array. I am reading a file for a parameter. I have a long list of parameters I do not want to deal with. I placed these unwanted parameters in an array @badparams I want to read a new parameter and if it does not exist in @badparams, process it. If it does exist in @badparams, go to the next read.

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  • Regular expression help

    - by dmr
    I need to do a find and replace in Notepad of Err.Number, canBeAnything, canBeAnything, Err.Description (where canBeAnything is just what it says) with Err.Number, "canBeAnything", "canBeAnything", Err.Description (basically, put quotes around canBeAnything) I got as far as the find Err.Number, .+, .+, Err.Description But I'm stuck on the replace. Any suggestions?

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  • QMetaMethod for regular methods missing?

    - by oleks
    Hi, I'm new in QT, and I'm just testing out the MOC. For a given class: class Counter : public QObject { Q_OBJECT int m_value; public: Counter() {m_value = 0;} ~Counter() {} int value() {return m_value;} public slots: void setValue(int value); signals: void valueChanged(int newValue); }; I want to get a list of all methods in a class, but seem to only be getting a list of signals and slots, although the documentation says it should be all methods? Here's my code: #include <QCoreApplication> #include <QObject> #include <QMetaMethod> #include <iostream> using std::cout; using std::endl; int main(int argc, char *argv[]) { QCoreApplication app(argc, argv); const QMetaObject cntmo = Counter::staticMetaObject; for(int i = 0; i != cntmo.methodCount(); ++i) { QMetaMethod qmm(cntmo.method(i)); cout << qmm.signature() << endl; } return app.exec(); } Please beware this is my best c/p, perhaps I forgot to include some headers. My output: destroyed(QObject*) destroyed() deleteLater() _q_reregisterTimers(void*) valueChanged(int) setValue(int) Does anyone know why this is happening? Does qt not recognise int value() {return m_value;} as a valid method? If so, is there a macro I've forgotten or something like that? P.S. I'm using 4.6.2

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  • Regular expression - stop at first match

    - by publicRavi
    My pattern looks something like <xxxx location="file path/level1/level2" xxxx some="xxx"> I am only interested in the part in quotes assigned to location. Shouldn't it be as easy as below without the greedy switch? Does not seem to work :( /.*location="(.*)".*/

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  • Regular expression problem

    - by sYl3r
    Hi, How can I search a whole string for a specific match. It'll contain both characters with int or decimal numbers eg A12B32.25C-456D-75.E75 I'll know that this will start with A and ends with E I think I can use "^" and "$" right? but i'm bit lost in other parts to check for character and int or decimal. I'll be glad if you can give the regex and explain it a bit :). PS. D-75. is not mistyped... Thanks in advance.

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  • regular expression "(?<!^)(?=[A-Z])"

    - by imad
    I spent like three hours trying to understant how does "(?<!^)(?=[A-Z])" works to split at tring according to capital letters i.e. string[] s = Regex.Split("TheWorldWithoutStrangers", "(?<!^)(?=[A-Z])"); How does it work !! I do understand what is the meaning of each char in the above expression, but I do not get how does it work together. why "(? < !^)([A-Z])" doesnot work ? it means that whenever you find a captial letter that is not after a new line, then split, am I right ?

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  • JS regular expression to find a substring surrounded by double quotes

    - by 2619
    I need to find a substring surrounded by double quotes, for example, like "test", "te\"st" or "", but not """ neither "\". To achieve this, which is the best way to go for it in the following 1) /".*"/g 2) /"[^"\\]*(?:\\[\S\s][^"\\]*)*"/g 3) /"(?:\\?[\S\s])*?"/g 4) /"([^"\\]*("|\\[\S\s]))+/g I was asked this question yesterday during an interview, and would like to know the answer for future reference.

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  • How to change the language of driver interface for Canon Pixma printers?

    - by Sammy
    Is there a way to change the language of the driver interface for Canon Pixma printers? Which language is used seems to be determined by the language of the OS or the Windows localization settings. I really don't want that, I want to be able to set the language manually to my own liking, either during the driver installation or afterwards. I have found a workaround for Pixma IP2770 where you edit the setup.ini file by replacing the language names and the DLL search paths with <SELECT> under the LANGUAGES section. So instead of... 0000=<SELECT> 0001=Arabic,RES\STRING\IJInstAR.ini,RES\DLL\IJInstAR.dll 0804=Simplified Chinese,RES\STRING\IJInstCN.ini,RES\DLL\IJInstCN.dll 0404=Traditional Chinese,RES\STRING\IJInstTW.ini,RES\DLL\IJInstTW.dll 0005=Czech,RES\STRING\IJInstCZ.ini,RES\DLL\IJInstCZ.dll 0006=Danish,RES\STRING\IJInstDK.ini,RES\DLL\IJInstDK.dll 0007=German,RES\STRING\IJInstDE.ini,RES\DLL\IJInstDE.dll 0008=Greek,RES\STRING\IJInstGR.ini,RES\DLL\IJInstGR.dll 0009=English,RES\STRING\IJInstUS.ini,RES\DLL\IJInstUS.dll 000A=Spanish,RES\STRING\IJInstES.ini,RES\DLL\IJInstES.dll 000B=Finnish,RES\STRING\IJInstFI.ini,RES\DLL\IJInstFI.dll 000C=French,RES\STRING\IJInstFR.ini,RES\DLL\IJInstFR.dll 000E=Hungarian,RES\STRING\IJInstHU.ini,RES\DLL\IJInstHU.dll 0010=Italian,RES\STRING\IJInstIT.ini,RES\DLL\IJInstIT.dll 0011=Japanese,RES\STRING\IJInstJP.ini,RES\DLL\IJInstJP.dll 0012=Korean,RES\STRING\IJInstKR.ini,RES\DLL\IJInstKR.dll 0013=Dutch,RES\STRING\IJInstNL.ini,RES\DLL\IJInstNL.dll 0014=Norwegian,RES\STRING\IJInstNO.ini,RES\DLL\IJInstNO.dll 0015=Polish,RES\STRING\IJInstPL.ini,RES\DLL\IJInstPL.dll 0016=Portuguese,RES\STRING\IJInstPT.ini,RES\DLL\IJInstPT.dll 0019=Russian,RES\STRING\IJInstRU.ini,RES\DLL\IJInstRU.dll 001D=Swedish,RES\STRING\IJInstSE.ini,RES\DLL\IJInstSE.dll 001E=Thai,RES\STRING\IJInstTH.ini,RES\DLL\IJInstTH.dll 001F=Turkish,RES\STRING\IJInstTR.ini,RES\DLL\IJInstTR.dll 0021=Indonesian,RES\STRING\IJInstID.ini,RES\DLL\IJInstID.dll You get.... 0000=<SELECT> 0001=<SELECT> 0804=<SELECT> 0404=<SELECT> 0005=<SELECT> 0006=<SELECT> 0007=<SELECT> 0008=<SELECT> 0009=English,RES\STRING\IJInstUS.ini,RES\DLL\IJInstUS.dll 000A=<SELECT> 000B=<SELECT> 000C=<SELECT> 000E=<SELECT> 0010=<SELECT> 0011=<SELECT> 0012=<SELECT> 0013=<SELECT> 0014=<SELECT> 0015=<SELECT> 0016=<SELECT> 0019=<SELECT> 001D=<SELECT> 001E=<SELECT> 001F=<SELECT> 0021=<SELECT> .... in case English is the preferred language. It's a way to force the installation program to only install the English language support. IP2770 is a model for the Asian market, so if you want to check this out you need to go to the Canon India download page (for instance) to get the driver. Unfortunately this method is not possible with my IP4000. There is no driver even available for it to download for Windows Vista. But is there really no way of changing the language of the UI in any normal way, you know... without having to hack it? Besides, the driver for my printer comes with Windows Vista, so I don't even have to install any drivers. And little do I get the chance to set the language, knowing that the installation never happens. Any ideas?...

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  • Why IDE has to be made in the language they are designed for?

    - by Em Ae
    Look at IntellijIDEA IDE, its a pretty sick ide but its made in Java and we all know that Java suck at GUI. Same goes for Eclipse. Though its way better and adopted SWT but it could have been best if it was developed in C/C++. We have really good systems now and thats why we don't feel that these IDES are nothing much but a memory hog. Why the IDE's have to be written in the language they are designed for ? Okay i know that IDE is a cool way to show how strong a language can be but even then someitmes, that specific language might not be best for a particular tastk.

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  • Is sticking to one language on a particular project a good practice?

    - by Ans
    I'm developing a pipeline for processing text that will go into production. The question I keep asking myself is: should I stick to one language for the project when I'm looking for a tool to do a particular task (e.g. NLTK, PDFMiner, CLD, CRFsuite, etc.)? Or is it OK to mix and match languages on the project? So I pick the best tool regardless of what language it's written in (e.g. OpenNLP, ParsCit, poppler, CFR++, etc.) and warp (wrap) my code around it? Note, I am not asking about should a developer stick to just one language for their career.

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  • Have you ever used a non mainstream language in a project? Why?

    - by EpsilonVector
    I was thinking about my academic experience with Smalltalk (well, Squeak) a while ago and whether I would like to use it for something, and it got me thinking: sure, it's as good and capable as any popular language, and it has some nice ideas, but there are certain languages that are already well entrenched in certain niches of programming (C is for systems programming, Java is for portability, and so on...), and Smalltalk and co. don't seem to have any obvious differentiating features to make them the right choice under certain circumstances, or at least not as far as I can tell, and when you add to it the fact that it's harder to find programmers who know it it adds all sorts of other problems for the organization itself. So if you ever worked on a project where a non-mainstream language (like Smalltalk) was used over a more mainstream one, what was the reason for it? To clarify: I'd like to focus this on imperative languages, since other paradigms like functional and logic programming language, while not necessarily mainstream, can still be good choices for certain projects for obvious reasons.

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  • Keep a programming language backwards compatible vs. fixing its flaws

    - by Radu Murzea
    First, some context (stuff that most of you know anyway): Every popular programming language has a clear evolution, most of the time marked by its version: you have Java 5, 6, 7 etc., PHP 5.1, 5.2, 5.3 etc. Releasing a new version makes new APIs available, fixes bugs, adds new features, new frameworks etc. So all in all: it's good. But what about the language's (or platform's) problems? If and when there's something wrong in a language, developers either avoid it (if they can) or they learn to live with it. Now, the developers of those languages get a lot of feedback from the programmers that use them. So it kind of makes sense that, as time (and version numbers) goes by, the problems in those languages will slowly but surely go away. Well, not really. Why? Backwards compatibility, that's why. But why is this so? Read below for a more concrete situation. The best way I can explain my question is to use PHP as an example: PHP is loved thousands of people and hated by just as many thousands. All languages have flaws, but apparently PHP is special. Check out this blog post. It has a very long list of so called flaws in PHP. Now, I'm not a PHP developer (not yet), but I read through all of it and I'm sure that a big chunk of that list are indeed real issues. (Not all of it, since it's potentially subjective). Now, if I was one of the guys who actively develops PHP, I would surely want to fix those problems, one by one. However, if I do that, then code that relies on a particular behaviour of the language will break if it runs on the new version. Summing it up in 2 words: backwards compatibility. What I don't understand is: why should I keep PHP backwards compatible? If I release PHP version 8 with all those problems fixed, can't I just put a big warning on it saying: "Don't run old code on this version !"? There is a thing called deprecation. We had it for years and it works. In the context of PHP: look at how these days people actively discourage the use of the mysql_* functions (and instead recommend mysqli_* and PDO). Deprecation works. We can use it. We should use it. If it works for functions, why shouldn't it work for entire languages? Let's say I (the developer of PHP) do this: Launch a new version of PHP (let's say 8) with all of those flaws fixed New projects will start using that version, since it's much better, clearer, more secure etc. However, in order not to abandon older versions of PHP, I keep releasing updates to it, fixing security issues, bugs etc. This makes sense for reasons that I'm not listing here. It's common practice: look for example at how Oracle kept updating version 5.1.x of MySQL, even though it mostly focused on version 5.5.x. After about 3 or 4 years, I stop updating old versions of PHP and leave them to die. This is fine, since in those 3 or 4 years, most projects will have switched to PHP 8 anyway. My question is: Do all these steps make sense? Would it be so hard to do? If it can be done, then why isn't it done? Yes, the downside is that you break backwards compatibility. But isn't that a price worth paying ? As an upside, in 3 or 4 years you'll have a language that has 90 % of its problems fixed.... a language much more pleasant to work with. Its name will ensure its popularity. EDIT: OK, so I didn't expressed myself correctly when I said that in 3 or 4 years people will move to the hypothetical PHP 8. What I meant was: in 3 or 4 years, people will use PHP 8 if they start a new project.

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