Tagged Questions
Regular expressions (often shortened to "regex") are expressions written in a declarative language used for matching patterns within strings. General reference: http://stackoverflow.com/q/22937618 Remember to include a tag specifying the programming language or tool you are using.
-1
votes
4answers
31 views
working with character arrays in perl
I have a string say, s1='hello', I want to manipulate it like an array, example in c++ we can use s1[i] to address the characters individually of this array, how do we do it in perl? I want to add the ...
0
votes
2answers
16 views
Regex html structure not matching
I have a regex which matches to a standard html structure:
<(.*)html(.*)>(.*)<head(.*)>(.*)</head>(.*)<body(.*)>(.*)<body(.*)>(.*)</body>
which works fine for my ...
0
votes
2answers
60 views
splitting a string into an array with php
how would i go about splitting the following format string into an array?
[13:05:37] [Server thread/INFO]: [0;35;1m[Server[0;35;1m] hi[m
the string format is from a mine craft server and i believe ...
0
votes
2answers
34 views
PHP Regex pattern confusion
I couldn't make few regex patterns to work so i googled most of them and have encountered issues in the process. I mostly understand rules in play while building regex patterns but don't understand ...
0
votes
2answers
12 views
Escaping close-bracket character in grep complement
How do I escape a close-bracket character inside a character class? According to the manual, to match a literal ] it should be placed first in the list, but I need to match the complement of a class ...
0
votes
2answers
38 views
List out wrong email addresses
I'm using CodeIgniter PHP foreach loop to go through my email list, and find out any old emails that did not meet the regex requirement and list them out.
I'm having a bit trouble displaying the ...
0
votes
2answers
34 views
Regex that finds consecutive or single words with first letter capitalized and aren't followed by a full stop
I am looking for a regex that can identify in a sentence the consecutive or single words in a sentence start with capital letters, excluding words after a full stop, which includes .,!?
If we take ...
-1
votes
2answers
67 views
Regular expression validating html tags
I am trying to do one validation using regular expression, but still not getting success.
I need to validate on of my input which may be blank/empty. but If user has entered some value in it,
it ...
1
vote
1answer
50 views
RegEx finding item before not after
Im trying to get the value out of this element Needs to be by regex not xml as I need the word Description out of the element
<ValueExpressionLeft ...
1
vote
1answer
364 views
Using regex_search from the C++ regex library
The regex_search function isn't quite behaving as expected.
#include <iostream>
#include <regex>
#include <string>
using namespace std;
int main()
{
string str = "Hello ...
0
votes
1answer
9 views
301 .htaccess redirection from an URL that has a “?” character
I want to redirect at .htaccess every URL that has inside it a "?" character to the root of my site (domain.com).
I have read this :
301-htaccess-redirect-with-special-characters
...
0
votes
1answer
59 views
In vs regular expressions with list of words
I have many HTML pages in which I need to check the existence of blacklisted words. I know that the built-in in is much faster then regular expressions but here I'm trying to compare many in against a ...
0
votes
1answer
17 views
Match only the matching block (ignore if the the starting word appears before the matching block)
I have my input as follows,
Input
StatusMsg:
seqId: 14043
timestamp: 140707
dId: "Sa01"
msgType: SEQUENCE
eventType: UPDATE_CMD
devContext {
context: IDLE
operationalMode: 1
logHistory {
...
0
votes
1answer
43 views
Need to use grep to find a string within a file
Im using a shell script to get a file using wget and search it for a pattern. My shell script is as follows:
#Execute commands one by one
while read line
do
STARTTIME=$(($(date ...
0
votes
1answer
42 views
RegExp getting around way
var clanBB = function (text)
{
var search = new Array(
/\[box ([^\\"\n\r\t<]*?)\]([\S\s]*?)\[\/box\]/ig
);
var replace = new Array(
"<div ...
0
votes
1answer
29 views
Java Regex - Replace by index of a replacement string
From time to time when I migrate my Java web applications to different OSs with different installed JVMs, java.text.Normalizer.normalize() screws with me, in regard of stripping accents from ...
3
votes
0answers
29 views
Wildcard domain validator
I am going to add support of wildcards to my application.
It should meet the requirement below. Wildcards must contain:
- UTF-8 alphabetical characters
- .,*,^,+,?,$,[],[^],:,/
- Domain parts ...
3
votes
0answers
36 views
.htaccess file acting strangely and not working with lowercase
The entire contents of my .htaccess file currently look like this:
RewriteEngine on
RewriteRule ^([a-z]+)/?$ index.php?page=$1 [NC]
This should replace all urls that look like ...
3
votes
0answers
425 views
How to create custom function in a QSqlDatabase: regex in sqlite and pyqt
We define the python type REGEXP function in sqlite and python following Problem with regexp python and sqlite
How can we do the same thing in PyQT, ie. with a QSqlDatabase?
More precisely, we use ...
3
votes
0answers
696 views
Troubleshooting Emacs Tramp Connection that Used To Work--Password or Shell Regexp Wrong?
I'm trying to troubleshoot why an emacs+tramp connection that used to work doesn't now. At first I thought it might be an Aquamacs problem, but I loaded Emacs.app on OSX, based on version 23.3 (9.0), ...
2
votes
0answers
17 views
Can I set 'UNICODE_CHARACTER_CLASS' to All Pattern usages?
Can I set UNICODE_CHARACTER_CLASS flag to ALL Pattern usage in a single point? something like:
Pattern.setDefaultOption(UNICODE_CHARACTER_CLASS);
2
votes
0answers
40 views
jquery validation not working only in regex
whenever i validate code,description,localisedDescription.my validate.addmethod have not working properly.could you please give me a solution ASAP so that my regex would work properly.These are the ...
2
votes
0answers
83 views
Parsing templates with Python-like if-blocks using pyparsing
I'm trying to parse a simple template language with pyparsing which looks kind of like this:
if <expr>: <statements>
elif <expr>:
if <expr>:
<statements>
...
2
votes
0answers
49 views
Replace callback works in VS2013 but not in ideone
Playing around with regex in VB.NET today and testing a simple replace callback lambda.
The code compiles perfectly in VS2013, but ideone screams about it. Wondering if a VB.NET pro would have some ...
2
votes
0answers
60 views
Finding separating and processing repeatative blocks of lines with Python
I wrote the script which analyze the text containing the lines to be found:
Uplink Bytes: 6168 Downlink Bytes: 40366
Uplink Packets: 69 Downlink ...
2
votes
0answers
113 views
Is there such a thing as a hard limit for regex matching?
I have this code I wrote for a routing component, here is the full code, which basically builds a batch of any number of large regexes (depending on a configuration value) out of many small ...
2
votes
0answers
85 views
ruby - decompiling pcre regex from binary
I have a binary file that contains a pcre regex.
The regex hex start like this:
7F 00 00 00 00 00 00 00 11 00 6D 00 00 00 01 00 00 00 45 52 43 50 65 00 00 00 00 00 80 00 04 00 00 00 01 00 00 00 00 ...
2
votes
0answers
52 views
Is there a known locking or performance degradation in boost:regex 1.54?
Our software is relatively regular expression intensive.
Some months ago we moved from boost::regex 1.33.1 to boost::regex 1.54. Lately we noticed scalability degradation.
What it means is that when ...
2
votes
0answers
40 views
flex won't recognize my regular expressions definitions
i have a problem with writing definitions in flex in the L file. For some reason, flex doesn't recognize the name i give to the regular expression for example
LETTER [A-Za-z]
DIGIT[0-9]
SPACE (" ") ...
2
votes
0answers
83 views
Pad regex-matches with spaces to uniform length
I am writing a Sublime Text snippet to insert the header to a matlab-function file. For that purpose I have the following lines:
% Inputs:
% ${3/(\b[^ ,]+\b)|([ ,]+)/(?2: :$1 - ...
2
votes
0answers
147 views
How to implement regular expression NFA with character ranges?
When you read such posts as Regex: NFA and Thompson's algorithm everything looks rather straightforward until you realize in real life you need not only direct characters like "7" or "b", but also:
...
2
votes
0answers
114 views
Chrome auto populate won't trip bootstrap-acknowledgeinput NOR jqBootstrapValidation
I use bootstrap-acknowledgeinput to make those nice checkmarks and found jqBootstrapValidatin as well, I use a two-stage browser validation, bootstrap-acknowledgeinput makes sure the field is not ...
2
votes
0answers
304 views
Simplified regular expression matching in Scala
I am trying to write a simple regular expression matching in Scala as an exercise. For simplicity I assume the strings to match are ASCII and the regexps consists of ASCII characters and two ...
2
votes
0answers
1k views
FileUpload - RequiredFieldValidator and RegularExpressionValidator do not fire
I have a FileUpload control for which I have attached a RequiredFieldValidator and a RegularExpressionValidator. My code in working fine on my computer, but in production neither the ...
2
votes
0answers
309 views
Struts2 JSON plugin includeProperties - not full regex support?
The documentation for Struts2 plugin version 2.3.x says that the includeProperties parameter can be set, and behaves as follows:
A comma-delimited list of regular expressions can be passed to the
...
2
votes
0answers
237 views
freepascal regexp replace
Is there an easy way to do a RegExp replace in FreePascal/Lazarus?
Hunting around I can see that I can do a match fairly easily, but I'm struggling to find functions to do a search and replace.
What ...
2
votes
0answers
167 views
TFileListBox Mask Issue
The definition for TFileListBox.Mask is:
Set Mask to a regular expression to limit the list box to files that
match the mask. The value of the mask is a file name that may include
wildcards. ...
2
votes
0answers
406 views
DevExpress XtraEditors TextEdit mask to completely replace exact string?
I have an exact string which is retrieved from a database. For sake of argument, lets use this as an example:
string dataText = "set of characters";
I need to be able to replace that text with some ...
2
votes
0answers
407 views
Array search and replace with Sublime Text's regular expression
How can I search for multiple words and replace each one by a specific word using regular expression? In PHP it would be :
$string = 'The quick bar foo jumps over the bazzy qux';
$patterns = ...
2
votes
0answers
913 views
Apache conf with Passenger and ProxyPassMatch regex for multiple Ruby on Rails apps
I have an Apache Sling app being served by Apache. However, when someone goes to the same url but has /mstarfb at the front of the url they get served by a Ruby on Rails app via Passenger. I would ...
2
votes
0answers
153 views
Creating a universal function of email image handling across multiple clients
I have a set of scripts that manages an email account and posts them to a MySQL table. Most email clients handle images inserted into the bodies as cid: and browser cannot view these links.
So i have ...
1
vote
0answers
15 views
How to pass Regular Expression value to 'HTTP Request'
In "Http request default" i have set url has [jmeterbook.aws.af.cm] and in 'HTTP Request' i set the path as [/${ind}],
In "Regular expression Extractor" i have given as,
Reference Number: ind
...
0
votes
0answers
46 views
How to make a function to give values based on an object
I'm going to start by pasting my current code.
var array1 = [741, 451, 54188, 5847, 5418, 54944, 310, 541, 7451, 10211, 113, 9115, 62, 2841, 52482481, 24];
var array2 = [15, 418, 488, 130000, 8482, ...
0
votes
0answers
30 views
0
votes
0answers
27 views
Any other ways to match url pattern in Spring security?
I have the following sample configuration for <sec:http>
<sec:http
authentication-manager-ref="blMyUserAuthenticationManager"
disable-url-rewriting="true"
request-matcher="regex"
...
0
votes
0answers
28 views
change scripts and images url in html
i've created a small php script to take cookies from mysql db and then login to a specific site with that cookie and return the page to the user (it is like the web proxy scripts but with pre-defined ...
0
votes
0answers
9 views
proxy.pac - using regexp to proxy site root but not subfolders
I have a bit of a strange request in that I am trying to use a proxy.pac file to use a proxy server for the following:
www.domain.com
www.domain.xx.xx
www.domain.com/?foo=1&bar=1 (where foo/bar ...
internet-explorer
0
votes
0answers
31 views
how do I extract all links from twitter feed?
I use "jquery-lifestream (https://github.com/christianv/jquery-lifestream/)" to get social feed from FB and twitter.
It works fine.
But I can't have all links clickable.
FB links are OK
twitter ...
0
votes
0answers
34 views
+100
Rails 3 - Precompiling all css, sass and scss files in a folder
So I have a project with page-specific styles and css. I've put those files into their own directory assets/#{type}/page-specific/ and I'm attempting to write a regex rule to inform the precompiler to ...
-1
votes
0answers
16 views
Auto Linking Urls when not in image tag
I have made a simple BBcode Parser for a Feed, I have tried different ways of auto linking static urls which are fed into the parser and some methods have worked but all break the image tags.
Here is ...
