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  • Regex: replace inner string

    - by AllenG
    I'm working with X12 EDI Files (Specifialy 835s for those of you in Health Care), and I have a particular vendor who's using a non-HIPAA compliant version (3090, I think). The problem is that in a particular segment (PLB- again, for those who care) they're sending a code which is no longer supported by the HIPAA Standard. I need to locate the specific code, and update it with a corrected code. I think a Regex would be best for this, but I'm still very new to Regex, and I'm not sure where to begin. My current methodology is to turn the file into an array of strings, find the array that starts with "PLB", break that into an array of strings, find the code, and change it. As you can guess, that's very verbose code for something which should be (I'd think) fairly simple. Here's a sample of what I'm looking for: ~PLB|1902841224|20100228|49KC15X078001104|.08~ And here's what I want to change it to: ~PLB|1902841224|20100228|CSKC15X078001104|.08~ Any suggestions?

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  • R regex to validate user input is correct.

    - by John
    I'm trying to practice writing better code, so I wanted to validate my input sequence with regex to make sure that the first thing I get is a single letter A to H only, and the second is a number 1 to 12 only. I'm new to regex and not sure what the expression should look like. I'm also not sure what type of error R would throw if this is invalidated? In Perl it would be something like this I think: =~ m/([A-M]?))/) Here is what I have so far for R: input_string = "A1" first_well_row = unlist(strsplit(input_string, ""))[1] # get the letter out first_well_col = unlist(strsplit(input_string, ""))[2] # get the number out

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  • Basic Boost Regex question

    - by shuttle87
    I'm trying to write some c++ code that tests if a string is in a particular format. In this program there is a height followed by some decimal numbers: for example "height 123.45" or "height 12" would return true but "SomeOtherString 123.45" would return false. My first attempt at this was to write the following: string action; cin >> action; boost::regex EXPR( "^height \\d*(\\.\\d{1,2})?$/" ) ;//height format regex bool height_format_matches = boost::regex_match( action, EXPR ) ; if(height_format_matches==true){ \\do some stuff } However height_format_matches never seemed to be true. Any help is greatly appreciated!

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  • boost's regex won't compile

    - by myeviltacos
    Hi everyone. I am using boost 1.45.0 on Ubuntu with Code::Blocks as my IDE, and I can't get basic_regex.hpp to compile. I'm pretty sure I set up boost correctly, because I can compile programs using boost::format without any errors. But I'm getting this annoying error, and I don't know how to get rid of it. The code that is provoking the error: boost::regex e("\"http:\\\\/\\\\/localhostr.com\\\\/files\\\\/.+?\""); Compiler output (GCC): obj/Debug/main.o In function `boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >::assign(char const*, char const*, unsigned int)' /home/neal/Documents/boost_1_45_0/boost/regex/v4/basic_regex.hpp|379| undefined reference to `boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > >::do_assign(char const*, char const*, unsigned int)'| ||=== Build finished: 1 errors, 0 warnings ===| Did I miss a step when setting up boost, or should I downgrade to another version of boost?

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  • Regex - find and replace complete string occurrences only (not partial matches)

    - by vittore
    I'm not very good at regex but maybe there's a simple way to achieve this task. I'm given a string like "bla @a bla @a1 bla" I'm also given pairs like {"a", "a2"} , {"a1", "a13"}, and I need to replace @a with @a2 for the first pair, and @a1 with @a13 for the second one. The problem is when i use String.Replace and look for @a, it also replaces @a1 but it should not. I need it to completely match @a and avoid partially matching it in other places. Note: the given string could also be brackets, commas, dots and so on. However, pairs will always be [a-z]*[0-9]+ Help me with regex replace, please. Cheers

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  • Poorly performing regex

    - by Kieron
    I've a really poorly performing piece of regex, currently it makes Firefox, Chrome and IE hang for a period of time. Here's the reg-ex: ^([a-zA-Z0-9]+[/]?)+[a-zA-Z0-9]+$ It's kind of a url matcher, but should only match the requested path (not starting with or ending with a slash). Valid examples: Segment Segment/Segment segment/segment/Segment (etc) Invalid examples: /Segment Segment/ Segment/Segment/ Using the regex above over all three browsers and using two or more slashes causes the browsers to hang. It's obviously a poorly formed reg-ex, but can anyone help build a better one? Thanks,

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  • regex search a mysql text column

    - by Ian
    Okay, I thought my head hurt with regular regex, but I can't seem to find what I'm looking for with regexp in mysql. I'm trying to look for situations in news articles where a Textile-formatted url has not ended with a slash so: "Catherine Zeta-Jones":/cr/catherinezeta-jones/ visited stack overflow is ok but "Catherine Zeta-Jones":/cr/catherinezeta-jones visited stack overflow is not. [just used Catherine as an example because I'm assuming an alpha search wouldn't catch the hyphen] One of these days I'll have to do that goat sacrifice so I can gain the proper knowledge of regex. Thanks everyone!

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  • perl regex groups

    - by Aaron Moodie
    I've currenly trying to pull out dates from a file and feed them directly into an array. My regex is working, but I have 6 groups in it, all of which are being added to the array, when I only want the first one. @dates = (@dates, ($line =~ /((0[1-9]|[12][0-9]|3[01])(\/|\-)(0[1-9]|1[0-2])(\/|\-)([0-9][0-9][0-9][0-9]|[0-9][0-9]))/g )); is there a simple way to grab the $1 group of a perl regex? my output is looking like this: 13/04/2009, 13, /, 04, /, 2009, 14-12-09, 14, -, 12, -, 09

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  • PHP DateTime Regex

    - by CogitoErgoSum
    Hey, long story short I have inherited some terrible code. As a result a string comparison is buggy when comparing dates due to the format of the date. I am trying to convert the date to a valid DateFormat syntax so I can run a proper comparison. These are some samples of the current format: 12/01/10 at 8:00PM 12/31/10 at 12:00PM 12/10/09 at 5:00AM and so forth. I'd like to convert this to a YYYYMMDDHHMM format i.e 201012012000 for comparison purposes. If anyone can give me a quick regex snippet to do this that'd be appreciated as right now i'm hitting a brick wall for a regex. I can do it by exploding the string over several times etc but I'd rather do it in a more efficient manner. Thanks!

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  • How can I customise Zend_Form regex error messages?

    - by Matt
    I have the following code: $postcode = $form-createElement('text', 'postcode'); $postcode-setLabel('Post code:'); $postcode-addValidator('regex', false, array('/^[a-z]{1,3}[0-9]{1,3} ?[0-9]{1,3}[a-z]{1,3}$/i')); $postcode-addFilters(array('StringToUpper')); $postcode-setRequired(true); It creates an input field in a form and sets a regex validation rule and works just fine. The problem is that the error message it displays when a user enters an invalid postcode is this: 'POSTCODE' does not match against pattern '/^[a-z]{1,3}[0-9]{1,3} ?[0-9]{1,3}[a-z]{1,3}$/i' (where input was POSTCODE) How can I change this message to be a little more friendly?

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  • regex to filter all but whitelisted characters from a multi-language string

    - by jeroen
    I am trying to cleanup a string coming from a search box on a multi-language site. Normally I would use a regex like: $allowed = "-+?!,.;:\w\s"; $txt_search = preg_replace("/[^" . $allowed . "]?(.*?)[^" . $allowed . "]?/iu", "$1", $_GET['txt_search']); and that works fine for English texts. However, now I need to do the same when the texts entered can be in any language (Russian now, Chinese in the future). How can I clean up the string while preserving "normal texts" in the original language? I though about switching to a blacklist (although I´d rather not...) but at this moment the regex just completely destroys all original input.

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  • REGEX (.*) and newline

    - by someonewhodoesintspeakenglish
    How this fix? REGEX: //REGEX $match_expression = '/Rt..tt<\/td> <td>(.*)<\/td>/'; preg_match($match_expression,$text,$matches1); $final = $matches1[1]; //THIS WORKING <tr> <td class="rowhead vtop">Rtštt</td> <td><img border=0 src="http://somephoto"><br /> <br />INFO INFO INFO</td> </tr> //THIS NOT WORKING <tr> <td class="rowhead vtop">Rtštt</td> <td> <br /> IFNO<br /> INFO<br /></td></tr> Sorry for my poor English

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  • WordPress: Problem with the shortcode regex

    - by peroyomas
    This is the regular expression used for "shortcodes" in WordPress (one for the whole tag, other for the attributes). return '(.?)\[('.$tagregexp.')\b(.*?)(?:(\/))?\](?:(.+?)\[\/\2\])?(.?)'; $pattern = '/(\w+)\s*=\s*"([^"]*)"(?:\s|$)|(\w+)\s*=\s*\'([^\']*)\'(?:\s|$)|(\w+)\s*=\s*([^\s\'"]+)(?:\s|$)|"([^"]*)"(?:\s|$)|(\S+)(?:\s|$)/'; It parses stuff like [foo bar="baz"]content[/foo] or [foo /] In the WordPress trac they say it's a bit flawed, but my main problem is that it don't support shortcodes inside the attributes, like in [foo bar="[baz /]"]content[/foo] because the regex stops the main shortcode at the first appearance of a closing bracket, so in the example it renders [foo bar="[baz /] and "]content[/foo] shows as it is. Is there any way to change the regex so it bypass any ocurrence of [ with ] and its content when occurs between the opening tag or self-closing tag?

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  • Regex to represent "NOT" in a group

    - by Joe Ijam
    I have this Regex; <(\d+)(\w+\s\d+\s\d+(?::\d+){2})\s([\w\/.-])(.) What I want to do is to return FALSE(Not matched) if the third group is "MSWinEventLog" and returning "matched" for the rest. <166Apr 28 10:46:34 AMC the remaining phrase <11Apr 28 10:46:34 MSWinEventLog the remaining phrase <170Apr 28 10:46:34 Avantail the remaining phrase <171Apr 28 10:46:34 Avantail the remaining phrase <172Apr 28 10:46:34 AMC the remaining phrase <173Apr 28 10:46:34 AMC the remaining phrase <174Apr 28 10:46:34 Avantail the remaining phrase <175Apr 28 10:46:34 AMC the remaining phrase <176Apr 28 10:46:34 AMC the remaining phrase <177Apr 28 10:46:34 Avantail the remaining phrase <178Apr 28 10:46:34 AMC the remaining phrase <179Apr 28 10:46:34 Avantail the remaining phrase <180Apr 28 10:46:34 Avantail the remaining phrase How to put " NOT 'MSWinEventLog' " in the regex group ([\w\/.-]*) ? Note : The second phrase above should return "not matched"

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  • Regex for date.

    - by Harikrishna
    What should be the regex for matching date of any format like 26FEB2009 30 Jul 2009 27 Mar 2008 29/05/2008 27 Aug 2009 What should be the regular expression for that ? I have regex that matches with 26-Feb-2009 and 26 FEB 2009 with but not with 26FEB2009. So if any one know then please update it. (?:^|[^\d\w:])(?'day'\d{1,2})(?:-?st\s+|-?th\s+|-?rd\s+|-?nd\s+|-|\s+)(?'month'Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[uarychilestmbro]*(?:\s*,?\s*|-)(?:'?(?'year'\d{2})|(?'year'\d{4}))(?=$|[^\d\w]) EDIT The date 26FEB2009 is substring of other string like FUTIDX 26FEB2009 NIFTY 0 and parsed from html page, so I can not set the whitespace or delimiter.

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  • What's wrong with my regex

    - by Tom Brown
    Yes I know its usually a bad idea to parse HTML using RegEx, but that aside can someone explain the fault here: string outputString = Regex.Replace(inputString, @"<?(?i:script|embed|object|frameset|frame|iframe|metalink|style|html|img|layer|ilayer|meta|applet)(.|\n)*?>", ""); if (outputString != inputString) { Console.WriteLine("unwanted tags detected"); } It certainly detects the intended tags like: <script> and <html>, but it also rejects strings I want to allow such as <B>Description</B> and <A href="http://www.mylink.com/index.html">A Link containing 'HTML'</A>

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  • Regex matching very slow

    - by Ali Lown
    I am trying to parse a PDF to extract the text from it (please don't suggest any libraries to do this, as this is part of learning the format). I have already handled deflating it to put it in the alphanumeric format. I now need to extract the text from the text blocks. So, my current pattern is "BT.*?((.*?)).*?ET" (with DOTMATCHALL set) to match something like: BT /F13 12 Tf 288 720 Td (ABC) Tj ET The only bit I want is the text ABC in the brackets. The above pattern works, but is really slow, I assume it is because the regex library is failing to match the pattern that matches the text between BT and the (ABC) many times. The regex is pre-compiled in an attempt to speed it up, but it seems negligible. How may I speed this up?

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  • RegEx for MetaMap in Java

    - by Christian
    MetaMap files have following lines: mappings([map(-1000,[ev(-1000,'C0018017','Objective','Goals',[objective],[inpr],[[[1,1],[1,1],0]],yes,no)])]). The format is explained as mappings( [map(negated overall score for this mapping, [ev(negated candidate score,'UMLS concept ID','UMLS concept','preferred name for concept - may or may not be different', [matched word or words lowercased that this candidate matches in the phrase - comma separated list], [semantic type(s) - comma separated list], [match map list - see below],candidate involved with head of phrase - yes or no, is this an overmatch - yes or no ) ] ) ] ). I want to run a RegEx query in java that gives me the Strings 'UMLS concept ID', semantic type and match map list. Is RegEx the right tool or what is the most efficent way to accomplish this in Java?

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  • Regex matching into multiple groups per line?

    - by dmose
    I'm trying to come up with a regex to be able to parse the following type of strings into groups. <link rel="alternate" type="application/rss+xml" title="[!PageTitle!]" href="[!SiteRoot!]/feed.xml" /> My regular expression is: \[\!(.+)\!\] The problem with this expression is that it seems to pull it all into 1 group: Found 1 match: "[!PageTitle!]" href="[!SiteRoot!]" has 1 group: 1. "PageTitle!]" href="[!SiteRoot" I want dont want the regex to continue...am I missing a boundary? Ideally I want it to find 2 groups, [!PageTitle!] and [!SiteRoot!]

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  • php regex for strong password validation

    - by Jason
    Hello, I've seen around the web the following regex (?=^.{8,}$)((?=.*\d)|(?=.*\W+))(?![.\n])(?=.*[A-Z])(?=.*[a-z]).*$ which validates only if the string: * contain at least (1) upper case letter * contain at least (1) lower case letter * contain at least (1) number or special character * contain at least (8) characters in length I'd like to know how to convert this regex so that it checks the string to * contain at least (2) upper case letter * contain at least (2) lower case letter * contain at least (2) digits * contain at least (2) special character * contain at least (8) characters in length well if it contains at least 2 upper,lower,digits and special chars then I wouldn't need the 8 characters length. special characters include: `~!@#$%^&*()_-+=[]\|{};:'".,/<? thanks in advance.

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  • Java RegEx Pattern not matching (works in .NET)

    - by CDSO1
    Below is an example that is producing an exception in Java (and not matching the input). Perhaps I misunderstood the JavaDoc, but it looks like it should work. Using the same pattern and input in C# will produce a match. import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static void main(String[] args) { String pattern = "aspx\\?uid=([^']*)"; Pattern p = Pattern.compile(pattern); Matcher m = p.matcher("id='page.aspx?uid=123'"); System.out.println(m.groupCount() > 0 ? m.group(1) : "No Matches"); } }

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  • iphone - Regex for date in user entered textfield

    - by vikinara
    Hi all, Am a newbie to iphone programming. i have a input box and the user can write his DOB(mm/dd/yyyy) into the box. Before i save the data i like to test for valid input. I am using Regexlite.h and Regexlite.m.i have the regular expression too. i want to compare the regex to the user entered value in text box.But am not knowing how to do it.Please help. Any idea how to test for a valid date? (in .NET i use a simple regex but for the iPhone sdk i am a bit helpless) - but somebody must have been done this before... Thanks Viki

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