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  • Java regex, need help with escape characters

    - by Blankman
    My HTML looks like: <td class="price" valign="top"><font color= "blue">&nbsp;&nbsp;$&nbsp; 5.93&nbsp;</font></td> I tried: String result = ""; Pattern p = Pattern.compile("\"blue\">&nbsp;&nbsp;$&nbsp;(.*)&nbsp;</font></td>"); Matcher m = p.matcher(text); if(m.find()) result = m.group(1).trim(); Doesn't seem to be matching. Am I missing an escape character?

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  • Regex replace (in Python) - a more simple way?

    - by Evan Fosmark
    Any time I want to replace a piece of text that is part of a larger piece of text, I always have to do something like: "(?P<start>some_pattern)(?P<replace>foo)(?P<end>end)" And then concatenate the start group with the new data for replace and then the end group. Is there a better method for this?

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  • Regex Lookaheads

    - by Michael
    Need to capture content of root <pubDate> element, but in document it can be either within <item> element or within <channel> element. Also <item> is child of <channel> I'll bring example <channel> ... <pubDate>10/2/2010</pubDate> ... <item> ... <pubDate>13/2/2029</pubDate> ... </item> ... </channel> need to capture 10/2/2010 With the <item> no problem, can capture it, along with its <pubDate>.

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  • How can I convert Perl regular expressions to boost regular expressions?

    - by YY
    I'm not familiar with Perl and boost regular expression and I want to convert a Perl code to c++. I want to convert special regular expression in Perl into c++ using Boost regexp library. Please help me understand what I must do? Here is some regexps that a word of a sentence may match: if ($word =~ /^[\.:\,()\'\`-]/) { # hack for punctuation } if ($word =~ /^[A-Z]/) { return; } if ($word =~ /[A-Za-z0-9]+\-[A-Za-z0-9]+/) { # all hyphenated words return; } if ($word =~ /.*[0-9].*/) { # all numbers return; }

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  • Making a relevant search of text in database using regex

    - by madphp
    Can anyone tell me how I could count the possible instances of a keyword in a block of text? I've split a search term up into separate tokens, so just need to run through and do a count for every instance and removing punctuation or other special characters when making the count. Secondly, if someone has inserted search terms surrounded by double quotes, i want to be able to skip explode, but just count instances of that exact phrase. It doesn't have to be case sensitive and I would like to remove punctuation from the phrase when doing the count. Thirdly, in both cases i want to be able to ignore wordpress and html tags. Lastly, if anyone know any good tutorials for relevant searches that answer the questions above, that would cool too. I've got this far. $results = $wpdb->get_results($sql); $tokens = explode('search_terms'); // Re-arrange Relevant Results foreach ($results As $forum_topic){ foreach($tokens As $token){ // count tokens in topic_title if ($token ){ } } }

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  • how to detect lines of code with regex in VIM

    - by nightingale2k1
    Hi, I have so many println("") in my codes .. I know it is messy ... I want to put comment for each of the println(""); how to do that in VIM ? I mean I want to do that on multiple files. Also if possible, can it detect whether the lines has // already or not ... if the lines has been commented .. I don't want to add new //

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  • Regex to get value of URL parameter?

    - by stef
    In a url like the one below, I'd like to get the value of ProdId. The URL format will always be consistent, as will the parameter name, but the length of the value may change. It will always be numeric. http://www.site.com/page.php?ProdId=2683322&xpage=2 Using PHP what's the fastest way to get it (I'll be processing 10,000's so speed is an issue) ?

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  • Unicode Regex; Invalid XML characters

    - by Ambush Commander
    The list of valid XML characters is well known, as defined by the spec it's: #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] My question is whether or not it's possible to make a PCRE regular expression for this (or its inverse) without actually hard-coding the codepoints, by using Unicode general categories. An inverse might be something like [\p{Cc}\p{Cs}\p{Cn}], except that improperly covers linefeeds and tabs and misses some other invalid characters.

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  • Regex Problem(C#)

    - by oraclee
    Hi all; Html Code: <TD style="DISPLAY: none">999999999</TD> <TD class=CLS1 >Name</TD> <TD class=BLACA>271229</TD> <TD>220</TD> <TD>343,23</TD> <TD>23,0</TD> <TD>222,00</TD> <TD>33222,8</TD> <TD class=blacl>0</TD> <TD class=black>0</TD> <TD>3433</TD> <TD>40</TD> i need td in value how to make csharp, i wanna string array; 999999999 Name 271229 220 pls help

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  • Need help with regex parsing (in perl)

    - by Charlie
    Hi all, need some help parsing an html file in perl. I used the LWP module to retrieve a webpage into $_ with $/ undefined so there are no newline issues. Then I'm trying to find all strings matching a pattern. How do I do that? I know how to find 1 instance of it, but how do I match all instances? and what data structure would the results go to? a multi dimensional array? my text (excerpt) looks like the following: <TR> <TD BGCOLOR=EEEEEE><A HREF="/program.cgi?pid=1233"><FONT FACE="ARIAL,HELVETICA,SANS-SERIF" SIZE=2>Title 1</A></FONT></TD> <TD BGCOLOR=EEEEEE nowrap><FONT FACE="ARIAL,HELVETICA" SIZE=2>Jun 27 2010 3:00PM</FONT></TD> <TD BGCOLOR=EEEEEE>&nbsp;</TD> </TR> <TR><TD BGCOLOR=EEEEEE COLSPAN=3><IMG SRC="http://images.domain.com/images/spacer.gif" WIDTH=1 HEIGHT=2><BR></TD></TR> <TR><TD COLSPAN=3 BGCOLOR=999999><IMG SRC="http://images.domain.com/images/spacer.gif" HEIGHT=1 WIDTH=1></TD></TR> <TR><TD COLSPAN=3 ><IMG SRC="http://images.domain.com/images/spacer.gif" WIDTH=1 HEIGHT=2><BR></TD></TR> <TR> <TD><A HREF="/program.cgi?pid=1234"><FONT FACE="ARIAL,HELVETICA,SANS-SERIF" SIZE=2>Title 2</A></FONT></TD> <TD nowrap><FONT FACE="ARIAL,HELVETICA" SIZE=2>Jun 29 2010 7:00PM</FONT></TD> <TD>&nbsp;</TD> </TR> <TR><TD COLSPAN=3><IMG SRC="http://images.domain.com/images/spacer.gif" WIDTH=1 HEIGHT=2><BR></TD></TR> <TR><TD COLSPAN=3 BGCOLOR=999999><IMG SRC="http://images.domain.com/images/spacer.gif" HEIGHT=1 WIDTH=1></TD></TR> <TR><TD COLSPAN=3 BGCOLOR=EEEEEE><IMG SRC="http://images.domain.com/images/spacer.gif" WIDTH=1 HEIGHT=2><BR></TD></TR> <TR> <TD BGCOLOR=EEEEEE><A HREF="/program.cgi?pid=1235"><FONT FACE="ARIAL,HELVETICA,SANS-SERIF" SIZE=2>Title 3</A></FONT></TD> <TD BGCOLOR=EEEEEE nowrap><FONT FACE="ARIAL,HELVETICA" SIZE=2>Jul 3 2010 7:00PM</FONT></TD> <TD BGCOLOR=EEEEEE>&nbsp;</TD> </TR> I want to get the following into an array (or any structure): { ["/program.cgi?pdi=1233", "Title 1"], ["/program.cgi?pdi=1234", "Title 2"], ["/program.cgi?pdi=1235", "Title 3"] } Thanks

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  • Please help clarify my regex pattern

    - by Dmitriy Sosunov
    I have the following string: <script>m('02:29:1467301/>Sender1*>some text message?<<02:29:13625N1/>Sender2*>Recipient2: another message??<>A<<02:29:1393100=>User1*|0User2*|%></B><<','');</script> N.B. messages are separated by << I need extract from message the following parts: 1. Time 2. Sender 3. Recipient 4. Text Recipient may being defined or not, this field is optional. I do this by the following pattern: (?<message>(?<time>\d{1,2}:\d{1,2}:[0-9a-z]+)/>(?<messageData>(?<sender>.+?)\*>(.+?)))<< But, I cannot extract recipient separately from the message text. (?<message>(?<time>\d{1,2}:\d{1,2}:[0-9a-z]+)/>(?<messageData>(?<sender>.+?)\*>(((?<recipient>.+?):){0,1}(?<messageText>.+?))))<< Please help correct my pattern.

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  • get entire line with java.util.scanner.hasNext(regex)

    - by Hussain
    I'm doing something in Java that requires input to be matched against the pattern ^[1-5]$. I should have a while loop looping through each line of input, checking it against the pattern, and outputting an error message if it does not. Sudo code: while (regex_match(/^[^1-5]$/,inputLine)) { print ("Please enter a number between 1 and 5! "); getNextInputLine(); } I can use java.util.Scanner.hasMatch("^[^1-5]$"), but that will only match a single token, not the entire line. Any idea on how to make hasMatch match against the entire line? (Setting the delimiter to "\n" or "\0" doesn't work.)

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  • php: regex remove bracket in string

    - by apis17
    hi, similiar like this example, http://stackoverflow.com/questions/1336672/php-remove-brackets-contents-from-a-string i have no idea to replace $str = '(ABC)some text' into $str = 'ABC'; currently use $str = preg_replace('/(.)/','',$str); but not works. how to fix this?

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  • Regex to test if an input string contains a certain number of characters

    - by Dan
    So, I basically would like to test to see if a string contains a range of alphanumeric characters. It's to be used as a client-side validation and I don't want to prevent users from entering whatever they want. Best to give examples of what should/should not pass validation: So to be specific, the expression I'm looking for is to test to make sure string contains anywhere from 3 to 10 alphanumeric characters. I'd like to plug into an ASP.NET client side validator. NOTE: quotes not part of input (but could be!) " f o o " should pass since there are 3 chars "f_0_0" should pass " fo " should not "F......o......o......b.....a......r" should pass thx

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  • Proper Regex to find and replace escaped UTF-8 strings

    - by Piet Binnenbocht
    (edited) I am reading a JSON file that includes some UTF-8 characters that are encoded like this: "\uf36b". I am trying to write a RegExp to convert this to an HTML entity that looks like "&#x1F36B;". This displays the character correctly in my html page. I haven't been able to correctly display the character that should be associated with "\uf36b", especially when in a longer sentence that also includes other text. How can I write a regexp that replaces strings like "\uf4d6" and "\uf36b" but leaves other text alone? Example: var str = "I need \uf36b #chocolate"; This should be converted to: I need &#x1F36B; #chocolate;

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  • Using RegEx to Identify parts of a Database Connection String

    - by David_Jarrett
    I'm trying to get to grips with regular expressions: I have a database connection string and I'd like to use a regular expression to identify specific Keys and Values within it. For example server=foo;database=bar;uid=foo;pwd=bar I'd like something to return "database=bar;" using the 'database' key to identify it, ideally it would be case insensitive. I can do this using normal code, but I think that this is exactly the sort of thing for which regular expressions were designed.

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  • JavaScript RegEx for div tags

    - by Eiso
    I have a JavaScript variable which holds an HTML page and due to the setup I need to extract everything between <div id="LiveArea"> and </div> from that variable using JavaScript. Any help is greatly appreciated.

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  • regex breaks on \n

    - by Sourabh
    hi segmentText = <input from textarea>; testRgx = [/( \d+\.| [^\W\d_]\.|.)+?([!?.?](?= |$)|$)/g]; arrSegments = segmentText.match(testRgx); This expression fails if segmentText has \n or other white spaces in it.I want to add \n in to the list of chars that the above pattern use [!?.?] = [!?.?\n] so that the segment is separated based on the \n character

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  • Linux - Want To Check For Possible Duplicate Directories (Probably RegEx Needed)

    - by NoLongerHere
    Hi, I have a directory which contains several directories as follows: /Music/ /Music/JoeBlogs-Back_In_Black-1980 /Music/JoeBlogs-Back_In_Black-(Remastered)-2003 /Music/JoeBlogs-Back_In_Black-(ReIssue)-1987 /Music/JoeBlogs-Thunder_Man-1947 I want a script to go through and tell me when there are 'possible' duplicates, in the example above it would pick up the following as possible duplicates from the directory list: /Music/JoeBlogs-Back_In_Black-1980 /Music/JoeBlogs-Back_In_Black-(Remastered)-2003 /Music/JoeBlogs-Back_In_Black-(ReIssue)-1987 1) Is this possible? 2) If so please help!

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  • RegEx: difference between "(?:...) and normal parentheses

    - by N0thing
    >>> re.findall(r"(?:do|re|mi)+", "mimi") ['mimi'] >>> re.findall(r"(do|re|mi)+", "mimi") ['mi'] According to my understanding of the definitions, it should produce the same answer. The only difference between (...) and (?:...) should be whether or not we can use back-references later. Am I missing something? (...) Matches whatever regular expression is inside the parentheses, and indicates the start and end of a group; the contents of a group can be retrieved after a match has been performed, and can be matched later in the string with the \number special sequence, described below. To match the literals '(' or ')', use ( or ), or enclose them inside a character class: [(] [)]. (?:...) A non-capturing version of regular parentheses. Matches whatever regular expression is inside the parentheses, but the substring matched by the group cannot be retrieved after performing a match or referenced later in the pattern.

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  • minifying final html output using regex with codeigniter

    - by Aman
    Google pages suggest you to minify html i.e. remove all the un-necessary spaces. Codeigniter does have feature of giziping output or it can be done via .htaccess. But still I also would like to remove un-necessary spaces from final html output as well. I played a bit with this peace of code to do it, and it seem to work. This does indeed result in html that is without excess spaces and removes other tab formatting. class Welcome extends CI_Controller { function _output() { echo preg_replace('!\s+!', ' ', $output); } function index(){ ... } } Now the problem with this is there may be tag like <pre>,<textarea>, etc.. which may have space in it and regx should remove them. So, how do I remove excess space from final html, without effecting spaces or formatting for these certain tags using regx? Thanks to @Alan Moore got the answer, this worked for me echo preg_replace('#(?ix)(?>[^\S ]\s*|\s{2,})(?=(?:(?:[^<]++|<(?!/?(?:textarea|pre)\b))*+)(?:<(?>textarea|pre)\b|\z))#', ' ', $output); @ridgerunner here did very good job of analyzing this regx, ended up using his solution. Cheers to ridgerunner.

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