Also known as regular expression or regexp, a description of a set of strings, often used for searching and validating strings.

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Adding specific line after findinga pariticular line

I have huge codebase containing 400-500 files. In most of the files we have this kind of lines, <cfcatch type="any"> / <cfcatch type="database"> / <cfcatch> etc. So the common ...
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30 views

Regex between two patterns that matches only the first occurence of the second pattern

I have the following text: 676 ##$a610$v22 <coded_13></coded_13> 700 #1$3184149134rtrtrtrtrtrtrtrt$4210 <coded_27></coded_27> ILeclerc, Michel (1952-....) ...
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37 views

Batch: Return the matching lines from pipe's output to the console with regex

I have the following domain checking bash script in Linux: #!/bin/bash TLD='.com' while read -r domain; do whois -H $domain$TLD | grep -oPaq '^.*(Creation Date|record created).*$' if [ $? -eq 0 ...
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Efficient Find/Replace Heading in MS Word that Contains text

I have multiple Heading 3s in MS Word. Some of them contain specific text: "MYTEXT". I want to find all Heading 3s that include "MYTEXT" and remove that word and all text to it's left while ...
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Regex: Define multiple whois servers for a single TLD in whois.conf

A single TLD is defined by this way in whois.conf for GNU whois: # whois configuration file # # This file can contain details of alternative whois servers to use if # the compiled in servers are not ...
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2answers
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I need help building a regex for a grep to show only the path to running versions of java

I need help building a grep from ps -ef to return only java paths. Say we have the following runnning process: bash> ps -ef | grep java user pid# 1 1 00:00 ? 00:04:00 ...
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17 views

Can I use grep to pull out a particular pattern from a file / number of files, using regex perhaps?

I have a file with a load of errors in it. I used grep to pull out all the JSONExcpetion Errors and save them in a new file like this: sudo grep -Hrn "JSONException" 2016-* >> jsonexception.txt ...
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regexp search and replace for bash variables

A number of my bash scripts need tidying up before sending them round. One of the thing I would like to do is to use curly braces for all variable names. So everywhere it says $PWD should be changed ...
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16 views

RegEx with Word 2013. Match string AFTER known word to End of Line or <table>

I'm using the Find and Replace feature in a large word document I have. I need to find the word REMARKS: (all bold and upppercase). REMARKS: THIS IS SOME IMPORTANT DATA At then end of that line ...
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Extracting named groups of regular expression in LibreOffice Calc

In Python 3, it is quite easy to extract text from named groups as shown in the following example: import re myStr = r"4000/2000/5000/7000" reObj = re.compile(r"""(?P<g1>\d+) # a capturing ...
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Notepad++ regex not working

I am trying to use Notepad++ and regular expressions to remove all XML from Windows' events. My regular expression is as follows: Event Xml:(.|\n)+?Event>\n Example Windows events are as ...
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34 views

How can I delete everything else from my txt except hungarian texts?

I have a localisation file from a game, and unfortunately, this file conain all localized language, but I only need is, the hungaryan texts from them. I would like to make a video series from this ...
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43 views

Notepad ++ (REGEX); Invert Selection,

Notepad ++ (REGEX); Invert Selection, The following 2 different codes, it works very nicely. :) now I want to combine these two different code! \bhttps?:[^)''"\s]+.(?:jpg|jpeg|gif|png) ...
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Automatically Monitor and Rename Files with Regex

Is there a tool that allows you to monitor a folder for new files and apply a regular expression to automatically rename the files?
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Possible to use RegEx and Notepad++ to compress repeated words to word counts

I would like to use NotePad++ Find and Replace with RegEx to essentially compress data in a text file. I have data which contains repeated adjacent words such as: [dog][cat][cat][dog][cat] I would ...
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14 views

How to find & replace a pattern with string in ruby?

My file is: [root@test etc]# cat nrpe.cfg command[check_users]=/usr/local/nagios/libexec/check_users -w 30 -c 35 command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c ...
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21 views

Bash Regex oddity when using =~ operator

Consider this code: s1="1,2,3,4"; \ s2="1,2,3"; \ sP='^(([1-9][0-9]{0,},){1,2}){1,2}$'; \ [[ "${s1}," =~ $sP ]] && echo "\$s1 matches"; \ [[ "${s2}," =~ $sP ]] && echo "\$s2 ...
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JFlex: multiline string literal (multiline bash commands)

I use JFlex to describe a file format. It uses a literal string to describe the multi-line commands (as in bash). I do so: STRING_LITERAL= "\"" ([^\"])* ("\\\n"|"\"")? Text example: CMD "git ...
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1answer
12 views

Which of the following use of anchor is correct in regex using grep?

Both of the below commands gives the same output, however which one is the correct method to use it? grep ^'\<that\>' file.txt Searches for the line which has that as the first word grep ...
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27 views

fail2ban does not ban IP although there is one failed regex in table

I don't know why fail2ban not adding the bad ip into iptables rules. Here is my setup. /etc/fail2ban/filter.d/http-get-dos.conf [Definition] failregex = ^<HOST> -.*\"(GET|POST).* ignoreregex = ...
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Notepad++ If a line contains a word replace line a certain distance below with a phrase

I'm pretty sure this is possible, and I think it involves Regex, but I have no clue how regex formatting works, and I haven't been able to find the expression I'd need anywhere yet. Basically I've ...
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How to use RegEx modifiers within Ultraedit?

I'm looking for using regex modifiers like (/g global, /s single line, ...) on UltraEdit. I want to use them when applying Find/Replace on my files using UltraEdit. Note: I'm using UltraEdit for ...
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Pattern finding application that generates regex?

I am building rule sets to recognize weak passwords, to do this quicker, I am thinking I will take a cracked password word list from https://hashkiller.co.uk/downloads.aspx and run it through a ...
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25 views

Disable emoji icons in Chrome?

I want to disable emoji in Chrome, or replace them with something else (not for any particularly deep reason - figured it'd be amusing). I'm using an extension called Word Replacer II, which allows ...
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Notepad++ RE Search and Replace

Can someone explain why the following record: 1234 4567 blahblahblah becomes blahblahblah When Search/Replace applied (NP++ v6.9) with: Replace:^\d{4}\h with:(nothing) (Reg Exp) radio on Any ...
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1answer
30 views

How to find wild card value and append to it

I have part of the hundreds of lines similar to : [vc_single_image image="55"] How can I change the lines so they all get appended img_size="full", resulting in [vc_single_image image="55" ...
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9 views

.htaccess to hide 2 possible directories

I am having difficulties getting the second statement working regarding admins, i am trying to hide both new and admin parts of the directory. new seems to be hiding fine however admin doesnt want to ...
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1answer
49 views

Dreamweaver Regex - Unmatched ) in regular expression

The Issue The issue I am tackling is that past developers of some code I am working on set variables like $_GET[name] or sometimes like $_GET['name']. Trying to make the code uniform, I want to make ...
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Dreamweaver REGEX trying to find and replace (or remove)

So far am using this: "http([^>]+) as my REGEX. The page has multiple urls mixed with text and DOM Elements. Something like: <li><a href="http://www.uen.org/toolbox">UEN's Teacher ...
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How To find a word and replace with changing pattern

I have a text like the following: case "UID": if (!Convert.IsDBNull(objDataReader["XYZ"])) { objQualitativeAssessmentBiz.XYZ = objDataReader["XYZ"].ToString(); } break; case "GeneratedChaseId": ...
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Notepad ++ - How can I replace a line using a column from next line

So the problem is that, I have a really huge file of clients and I need to do this: example1.1@hotmail.com example1@hotmail.com;12345 Became this: example1.1@hotmail.com;12345 ...
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55 views

exclude specific strings of words using wildcards

I cannot seem to come up with the appropriate wildcard (I suppose it must be [!]) which would exclude from the expression argument[oales]{1,4} the following three words argumentos argumenta ...
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Notepad++ - replace every first space of a line

I know there are a lot of these types of questions but I can not find a way to alter one of the existing solutions for my problem. My text file looks like this: ...
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Replace using Regex in Notepad++

I want to replace every occurrence between <fb:like href= and </fb:like> in notepad++. I know I can do this with Regex, but i tried for a couple of hours in vain. I have to do this in a ...
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23 views

Regular Expressions: Assertions

I would like to know what the definition for an assertion is in the context of regular expressions. If anyone should know, please enlighten me with a brief definition of what it actually is. I would ...
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27 views

Notepad ++ find and replace issue

I have had some luck with notepad ++ solving some complex find and replace a lot of similar text in around 8000 documents, but not this particular one: In a text file I will have a lot of lines that ...
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23 views

How to add quotes to a datestring notepad++ regex

I have a huge text files with date strings in the first column. For further processing, I need to have the date strings in double quotation marks: 2015-11-11 00:00:00.00,59,... Should end up like ...
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90 views

How to delete all files that don't have a certain string in their name

I have seen Deleting all files that do not match a certain pattern - Windows command line However, I have not seen anything regarding how to delete everything that does not contain a certain string ...
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Regex search and replace on a webpage

I am proofreading plain OCR generated text on webpages, cleaning up typos (scanos) which I search for and replace using Regex strings. My problem is with the ">" and" "<" characters. How would I ...
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52 views

Extract One letter and three numbers from .txt files using Notepad++

I would like to extract from many .txt files a certain data in Notepad++. It has a lot of data in one file, but I only need specific... This is what looks like in a file: ©Q Ńü Vý 8 ź) ...
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1answer
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Why sed regexp digit character class includes CR character if the last digit is at the end of the line?

I wanted to extract the Content-Length's size from an URL and output the URL + $size on the same line. The data I worked with: > curl -I -s http://yahoo.com HTTP/1.1 301 Redirect Date: Thu, 10 ...
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22 views

notepad++ continuing a line from

I have a file with many lines aaaa bbbn* ff fdsfdsf I want to have that but using the extended replacement like \n aaaa,bbbn*,ff,fdsfdsf I looked the internet for a list of these escape ...
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25 views

How do I replace the text I searched and that is now highlighted?

I want to replace the " by ' in all the text that are found with regular expression (\w)"(\w). For instance : s"t should become s't. I run the regular expression with the Mark tab, so now all the ...
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Using 'diff' compare usernames from file1 to file2 containing emails

I am trying to identify active accounts over dead accounts and was wondering if diff along with grep or sed or regex can be used, instead of writing a long program. File1 (usernames) ...
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How to replace based on regex in Notepad++

I have json array like that: [ { "id": 2, "title": "Mr", "name": "Harry Robinson", "company": "ResearchBch", "email": "anything", "age": 38, ...
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54 views

SublimeText Markdown Extended add Roman Number Highlighting

In this question, I've inquired about how to highlight more than one markdown list punctuation item. I now want to extend the highlighting to roman numbers as well, because those are supported by ...
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46 views

Regular expression to select only the line that contain two searched words?

I am not very advanced with regular expression so i am not sure how to do this. Let say i have a text file that contain more then 1000 lines of data. I want to search for the words 'command' and ...
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1answer
56 views

How can I search for text files that do NOT contain a word?

I need to be able to search a directory for all files that do not contain a certain word. My issue with my approaches so far is that they return every line of every file that does not contain the ...
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25 views

Selecting a group in a pattern on ZSH Glob

How can I select a group in a ZSH pattern to be used later in a substitution or a reference? Example: print the files matching a given pattern and followed by a substring of that name selected from ...
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Remove everything from text except what is in brackets with Regex

I would like to use notepad++ to remove everything in a text file except anything found between [ ]. Example: [D-1.1.1-A] - bla bla text here[D-1.1.1-B] - some more bla bla text here[D-1.1.1-C] - ...