Regular expressions (often shortened to "regex") are a declarative language used for pattern matching within strings. Please also include a tag specifying the programming language or tool you are using.

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Linq Regex for whole word search

I'm unable to find a recent decent answer on this. Linq does not support regex, and trying to extract a method out does not outsmart the framwork. How do I do a whole work match on a list of ...
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3answers
22 views

Perl's grep gives different results when used with or without qr

I'm trying to use grep with a variable regex. I assumed that the following program would print nothing, since the regex /food/ doesn't match any of the items in my array. #!/usr/bin/perl use strict; ...
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2answers
15 views

What is the perl equivalent of PHP's preg_quote function?

I have a string that I want to match within a perl regex pattern, but characters in it may need escaping. In PHP, the function that does this is preg_quote. What is the equivalent in perl?
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5answers
61 views

Python Removing last character _ from string using regex

I know there are a bunch of other regex questions, but I was hoping someone could point out what is wrong with my regex. I have done some research into it and it looks like it should work. I used ...
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1answer
14 views

Django urlpatterns won't match

I have urlpatterns that aren't matching. This is something I'm adapting from the Django tutorial. It's probably something easy, but I'm just missing it. The error: Page not found (404) Request ...
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3answers
40 views

Replacing inner nested quotes in a string using Regular Expression

I have a String: "The name is "Rambo"." I would like to replace the inner quotes with " using regex so the output would look like: "The name is &quotRambo&quot."
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3answers
22 views

Finding inner matches using Regular Expressions in Javascript

If I have a string "#review?loanId=12-00034&docId=0" and need to select the loanId ("12-00034") string, how would I use a single regular expression to do this? So far I can use /loanId=[\d-]*/ to ...
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2answers
46 views

Regex pattern search starts with 2 letters OR 2 numbers

I'm writing a javascript function to detect a correct entry into the database before sending it. The variable must start with either 2 digits OR 2 letters followed by 2 more letters then 3 digits. I ...
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3answers
37 views

extracting text from a column using regexp_substr

I have a table with a varchar column with data like this: "<tasa> <parametros> <parametro> <nombre>ea</nombre> <valor>35</valor> ...
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1answer
24 views

A simple xml parser specific to R

I've read the SO questions about why never to use regex on {HT,X}ML, such as this one -- Regex to Indent an XML File , but I thought I'd post a function I wrote that does absolutely nothing but indent ...
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1answer
39 views

Javascript regular expression to find double quotes between certain characters

I'm trying to create a string that can be parsed into JSON. The string is dynamically created based on the content in a CMS. That content could contain HTML markup with double quotes, which confuses ...
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2answers
22 views

Making group constraints in Regex in android

So I have this String: String articleContent = "dfgh{jdf%g{%qf234ad%22!#$56a%}vzsams{%3%45%}678456{78"; I want to remove everything between {% %} So result would be something like : ...
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2answers
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Regular Expression - Match But Exclude?

I have a very simple task of which I am trying to find and replace special characters within a string. My regex is working but sometimes there are italics tags within the string which I do not want to ...
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4answers
62 views

Get URL from string with text

I have a bunch of strings like this: Some text, bla-bla http://www.easypolls.net/poll.html?p=51e5a300e4b084575d8568bb#.UeWjBcCzaaA.twitter And I need to parse this String to two: Some text, ...
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2answers
46 views

PHP basic regular expression [duplicate]

For example i've this kind of content <div id="t1" class="tt" tag='t2"><div class="t3">tee</div><a ...
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3answers
54 views

Split by space but not newline

I am trying to convert all links in a given string to clickable a tags using the following code : String [] parts = comment.split("\\s"); String newComment=null; for( String item : parts ) try { ...
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3answers
41 views

PHP .htaccess removing .php extension and language directory to parameter

I'm looking for a regulair expression for a .htaccess file inside my PHP server. What I want is that it detects the language from the first directory as parameter: nl en be de Any other options ...
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3answers
43 views

Substitution with \s does not work as expected

I write regex to remove more than 1 space in a string. The code is simple: my $string = 'A string has more than 1 space'; $string = s/\s+/\s/g; But, the result is something bad: ...
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2answers
51 views

Why does adding a character class to the end of a regex fail to match hex numbers?

Perl accepts: my @resultado = $texto =~ /[^g-zG-z]$RE{num}{real}{-base=>16}/g but doesn't accept: my @resultado = $texto =~ /[^g-zG-z]$RE{num}{real}{-base=>16}[^g-zG-z]/g I just add ...
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6answers
64 views

Confused about regular expression

In the book Programming Collective Intelligence there is a regular expression, splitter = re.compile('\\W*') From context it looks like this matches any non-alphanumeric character. But I am ...
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2answers
22 views

Selectively deleting commas and splitting strings

I have s string that looks like txt = '"EMB","iShares J,P. Morg",110.81,N/A' I'm using strsplit(txt,','); to break this into separate strings based on the comma delimiter. However I want to ignore ...
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3answers
37 views

How to find acronyms in a pdf file

In my thesis I need to add a list of acronyms. I wondered how it can be programmed. I've found the nice utility pdfgrep, which also gets regular expressions. I used it in such a way: pdfgrep ...
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3answers
54 views

return substring match

I am trying to get just a part of a string with a regex this is the string i am testing class1 container _box _box_CEC493 the string is a series of classes applied to an element. what i would like ...
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1answer
18 views

Find and replace to remove the icon in all my forms

I'm using Visual Studio, and I would like to remove the icon in all the forms on my code. The icon is embedded in the resx files, so I used the following regular expression to find the icon, then I ...
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4answers
25 views

Trouble with non-capturing groups in regular expression

I'm attempting to capture the 6 digit number in the following: ObjectID: !nrtdms:0:!session:slonwswtest1:!database:TEST:!folder:ordinary,486150: I tried the following regex: \d+(?::$) attempting ...
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1answer
33 views

Is there any regexp replacement?

Yesterday I've been lost, when I tried to produce a regexp with regexp, I've failed to escape out the escaped escapes (for JavaScript). Regexps are great for CLI Unix pipe chains and in ...
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1answer
13 views

Hibernate Regexp MySQL

I ask this question to show how MySQL and Hibernate work each other with Regular Expressions. The problem: SELECT * FROM table WHERE regexp column '\d' Solution: Go to my answer. Hope this ...
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2answers
16 views

jQuery: Search for div containing specific mark up

I'm stuck with a editor that outputs <p><br></p> when the textfield is empty and now I want to target the divs with that none content. I've been trying .filter, text lengths, ...
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3answers
94 views

Most efficient way of splitting many strings

My current project handles large numbers of incoming radio messages (~5M per day) represented as strings that must be then divided into pre-determined sized chunks, ready for storage. For example, a ...
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1answer
17 views

.htaccess alternative to B flag? (escape backreferences)

I have a .htaccess set up with the following: RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteRule ^([a-zA-Z0-9_-]+)/?$ profile.php?aid=$1 [L,QSA] This gets a users ...
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2answers
33 views

Python extract value beautifulsoup regex [on hold]

I have the below through regex and beautifulsoup. I need to extract the UID value e.g 5968723334. [u'/home.html', u'browse_settings.html', u'browse.html?', u'test.html?uid=5415292833', ...
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1answer
23 views

JS - Regular Expression for 12hr Time Matching

I am attempting to take this regular expression that is currently being used in a java application and use it with javascript. (1[012]|[1-9]):[0-5][0-9](\\s)?(?i)(am|pm) However, I am running into ...
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2answers
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Creating a keyword based search in python

I have a giant CSV file with close to 6K entries and the file looks something like this: PDB ID NDB ID Structure Title Citation Title Abstract 1ET4 1ET4 Structure of Solution ...
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1answer
20 views

How do I use regex with vQmod?

Once again, I am stuck with some regex and I don't really know where to start. I am using vQmod to build an OpenCart extension and I want to be able to search all files that have this code: if ...
8
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1answer
75 views

Better Way to Write Regular Expression

So, I've been trying to write out a regular expression for something like a resistance value, which contains a certain amount of digits and at most one letter, but is always a certain amount of ...
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1answer
19 views

Spiting Regular expression and accessing Array of Array

An example am trying to understand from website. People2.txt is as follows. 2323:Doe John California 827:Doe Jane Texas 982982:Neuman Alfred Nebraska I don't get the output as shown from the ...
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0answers
30 views

Converting JSON string to lisp(aml) readable string for evaluation using regular expressions

I'm trying to convert a JSON string to a stringformat that I can use to evaluate in Lisp (aml). I want to convert f.eks.: {"id": 1, "name": "Foo", "price": 123, "tags": ["Bar","Eek"], "stock": ...
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1answer
13 views

std::regex_match() freezes my program

So here is my program: #include "stdafx.h" #include <iostream> #include <string> #include <regex> #include <windows.h> using namespace std; int _tmain(int argc, _TCHAR* ...
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1answer
30 views

Can't match RewriteRule

I need to do a very simple URL rewrite but my RewriteRule is not working. I want this URL: http://myweb.com:8080/MySite/bla?bla To become this: http://myweb.com:8080/MySite/index.php My .htaccess ...
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2answers
24 views

Add some text in loaded xml using Javascript and regex

I have loaded an SVG file into memory in javascript. I want to manipulate this data in memory using the Javascript replace function. As you notice, there are many 'g' elements. I want to wrap them ...
0
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1answer
60 views

Count the occurrences of word by pattern in R

Perhaps an oft asked question, am royally stuck here. From an XML File, I'm trying to search for all occurrences, their lines and the total count of occurrence of each 12 character string containing ...
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0answers
82 views

What regular expression does Facebook use to parse the 'fields' parameter?

We are currently working on improving our REST API and we need to implement the optional 'fields' parameter for some actions. Therefore, we would like it to recognize the pattern of the request in the ...
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2answers
46 views

How to combine these regex requirements?

I'm using an Asp.Net RegularExpressionValidator to validate phone numbers. The check is quite basic - a number can be 10 or 11 characters in length, all numeric and starting 01 or 02. Here's the ...
0
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1answer
23 views

preg_replace a string, get piece of string an insert into a function

i have not struggled to understand some regex, but i can't get it right. I am developing a system that understand some codes ind a included file. Simple. But i need to get some pieces from the string ...
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1answer
14 views

R: How to unTag the Sentence, after tagged by tagPOS

I have tagged part of Speech to an string using tagPOS Now I want to unTag the string and get back as it was previous. library(openNLP) str <- "this is the a demo string. Which is used to show ...
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2answers
58 views

Replace <p> </p> with <br /> with condition

In wordpress I am outputting some <div>s along the content of my shortcode. The problem is because wordpress puts paragraphs inside <p></p> tags, the line is broken where the ...
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1answer
29 views

Validate the file name and file type in type=“file”

I have the following code to see if type="file" with the id file has been changed. $('body').on('change', '#file', function() { // Do something }); When I have choose a file I want to see if ...
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1answer
20 views

PHP - preg_match_all Same Group, Different Pattern

<?php $str = '123.456.789.987,654,321,'; // preg_match_all('((?<grp1>\d{3})\.|(?<grp2>\d{3})\,)', $str, $matches); ...
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1answer
14 views

.htaccess Regex to rewrite path

I have a very specific requirement and I pretty much suck at regular expressions to put it bluntly. A program generates images of various sizes and puts them in a folder which is the same name as the ...
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1answer
23 views

.htaccess difficulties with directory

I want to following url : nl/provincies/Limburg/plaats/#CITY# for example : nl/provincies/Limburg/plaats/Amsterdam To be rewriten to section.php?sid=plaatsen$plaats=#CITY# Ofcourse this is not so ...

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