Questions tagged [regex]

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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Using VS Find & Replace Regex across lines

I have multiple instances of code that looks like... if (condition) { statements } else if (different condition) { statements } ad nauseum (probably, honestly about 100+ different times, and ...
Musical Coder's user avatar
-1 votes
1 answer
35 views

Custom Fail2Ban regex not working as expected

Using the regex filter below: [Definition] failregex = ^<HOST>.*Priority: 0 ignoreregex = Fail2Ban does not detect any of these log entries below. Mon Apr 1 21:11:29 2024 [**] [1:1000002:1] ...
nexdev's user avatar
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-1 votes
1 answer
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Search and replace doesn't work with sed busybox. getting sed: unmatched '/' error

I am trying to search a particular string and replace all occurrences within a file. sed -i -e "s/$search_string/$replace_string/g" $filePath I keep getting sed: unmatched '/'error on ...
aelor's user avatar
  • 99
0 votes
3 answers
45 views

Powershell $idValue doesn't write the extracted ID, but writes "TRUE" instead -- why?

I am writing a Windows PowerShell script to split a text file based on a delimiter, and create output filenames with an incrementing number and a captured identifier string. I've checked for syntax ...
IanS's user avatar
  • 183
2 votes
1 answer
28 views

Replace text surrounding a wildcard in Notepad++

So, many years ago when I started writing PHP code, I learned to format information sent from a form as such: $_POST[itemnamehere]; Whether that was right or wrong at the time, it worked. However, ...
teddytash's user avatar
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47 views

Passing `Set /p _var=/irc:` when used by findstr, the colon does not get processed the same as if I typed `findstr /irc:` Example provided

I have search through the undocumented 'findstr' thread, SS64 findstr-escapes as well as SS64, Escape Characters for how to include the colon in the following way; no luck with either. Example batch ...
query-01's user avatar
1 vote
1 answer
22 views

RegEx replacement in NotePad++

I need to replace many different lines in a html file where lines look like this: <span lang="en-ca">random string</span> with just random string For example my<span lang=&...
Rob's user avatar
  • 536
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23 views

windows-equivalent of mac's "insert pattern" functionality for {find,search}ing/replacing text

surprised no one has asked this question yet. is there any way to get the "insert pattern" functionality that is available on pretty much all mac apps with search and replace (except, ...
gagan's user avatar
  • 1
2 votes
1 answer
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In Notepad++/Sublime Text 3, how do I make all text lowercase by regex, but only if specific phrase occured in the line?

Say I have text like that: models/players/clonespac/CloneTorsoLieutenant { q3map_nolightmap q3map_onlyvertexlighting { map models/players/clonespac/CloneTorsoLieutenant ...
kerstoff0mega's user avatar
0 votes
1 answer
54 views

Select last 5 words of a paragraph in Regex

I want to match last 5 words of every paragraph in a document. I am using Notepad++ and also Adobe InDesign GREP Sample Data Here you can find activities to practise your reading skills. Reading will ...
Shahid's user avatar
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rstrip On Lines of text being piped through sed s

So I am trying to implement the rstrip function on lines of text being piped into sed s and am having troubles. This is what I have that I think should work: cat file1.txt | sed 's/[[:blank:]]+$//g;' &...
Alan Sanchez's user avatar
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1 answer
42 views

Notepad++ Regex merged 2 sections into one line delimited

I hope I can explain correctly. I have the text below, which consists of 2 sections, 1- the body and 2- the title and each one is separated by a "----" delimited. I am able to mark this data ...
robert's user avatar
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1 vote
0 answers
82 views

Replace ** to NULL in Excel

I have excel which contain ** as value along with other values across between Rows and Column. I'm trying to replace ** with NULL but using Find & Replace it's Replacing everything as it's taking *...
pkd's user avatar
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1 answer
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remove duplicate character from string in pure bash - works in CLI but does not work in script

I want to remove all duplicate minuses from a string using pure bash (no sed/awk/etc). This works great in CLI: s="com---strig-3-1080p-----mp4" echo "${s//+(-)/-}" com-strig-3-...
Putnik's user avatar
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1 answer
169 views

Select all lines starting with a given string and ending with " with Regex [duplicate]

Using Regex I would like to select all the contents between two " of all the lines that begin with this string: [2] 1 string data = " I tried the following code: (?<=\[2\][^=]+? 1 ...
Kenryoku's user avatar
-1 votes
1 answer
43 views

How to match arbitrary adjacent identical strings? [closed]

There are some repeating strings in my data that I need to find. They have a pattern that they repeat twice, and the repetitions are adjacent, with no space in between. They can have arbitrary lengths ...
Vegetable New Man's user avatar
0 votes
2 answers
64 views

Find and replace date with UTC date

I have file that looks like this: [2024-01-20 15:23:00] hello world [2024-01-20 15:42:00] bye [2024-01-20 15:43:00] foo bar ... Date in this file are in UTC+1 and I want to convert in to UTC I tried ...
sloppy's user avatar
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0 votes
0 answers
59 views

How to recursively search for files starting with ".#" under a path in zsh?

In the current working directory, la -a returns, . .#program 2.py .DS_Store picker.py .#picker 2.py .#program 3.py hw1 temp.test .#picker.py .. hw2 I ...
scribe's user avatar
  • 206
3 votes
3 answers
619 views

Bash [[ test =~ regex ]] vs perl command result

Is the bash operator =~ equivalent to a perl invocation? filename="test-33.csv" regex="([^.]+)(-\d{1,5})(\.csv)" With bash test: if [[ "$filename" =~ $regex ]]; then ...
rellampec's user avatar
  • 133
1 vote
2 answers
348 views

How to use the `tax[13]-eq-dc` regex in a Bash loop?

The following regex tax[13]-eq-dc represents two servers, tax1-eq-dc and tax3-eq-dc. I'm trying to find a way to use it in a Bash do loop, but can't just get the correct syntax. E.g., the following is ...
boardrider's user avatar
  • 1,143
3 votes
1 answer
89 views

Surfingkeys browser extension has enabled, disabled, and lurk mode. How do I add a list of websites in surfingkeys to browse in the lurk mode?

Lurk mode is better than disabling suringkeys altogether. For example, Gmail website has list of abundant shortcuts, but still it's better to have surfingkeys' shortcuts as yourbackup. In lurkmode you ...
souraj ghosh's user avatar
1 vote
1 answer
249 views

Trying to use regex to match the "?si=" on YouTube share links

I want to match the ?si= on the end of YouTube links using Regex so that I can filter submitted links to remove the ?si= and what comes after. I want to exclusively match that ID, and not anything ...
SamHammie's user avatar
0 votes
1 answer
77 views

RegEx in Microsoft Word Find/Replace to locate an unescaped semi-colon in index markers

I've got Find/Replace open, under More I have Use wildcards checked. I have a LOT of index markers in my document, and I want to find semicolons inside the index markers that are NOT escaped. I want ...
Christie Ward's user avatar
1 vote
1 answer
80 views

Regex code for TeamSpeak3 ControlBot plugin

I want a code that doesn't kick Name_Surname but kicks anything else. My current code is : ^(?![A-Z][a-z]+(?:_[A-Z][a-z]+)*).*$ I need one more rule to add to this code. I want to allow [C]...
Enis's user avatar
  • 11
0 votes
1 answer
136 views

How do I find and delete a string at end of a line?

I have lines with this kind of data: SEQ 338 13 OPS POSN 1 THRU 10 LANG KO 3 MO TU WE TH FR SA SU ---------------------------------------------------------------------------- SEQ 339 6 OPS POSN 1 ...
Jeff Taylor's user avatar
1 vote
1 answer
269 views

RegEx to find TEXT plus up to 6 numbers

[Using Notepad **] Seeking a RegEx to find all of the following lines that contains the word "SEQ", a space, and then anywhere from 3 to 6 digits: SEQ 123 SEQ 1234 SEQ 12345 SEQ 123456 I've ...
Jeff Taylor's user avatar
1 vote
1 answer
144 views

If the Account has Expired, Delete the Account Details

What regular expression would I need to delete all the expired accounts. Name: John Smith Address: 123 Sample Road Country: England Membership Expires: January 26, 2023, 9:35 am -288 Days Plan: ...
Frank's user avatar
  • 57
3 votes
2 answers
353 views

Extract text between the Tags

I am trying to extract Arabic text between the two tags. Here its <Content>some text in arabic</Content> Sample Text: <idPkg:Story xmlns:idPkg="http://ns.adobe.com/AdobeInDesign/...
Shahid's user avatar
  • 97
0 votes
1 answer
77 views

For eliminate the lines with Duplicate URLs at the beginning of the line

Before: https://en.wikipedia.org/wiki/Led_Zeppelin - Led Zeppelin - Stairway To Heaven 2 https://en.wikipedia.org/wiki/Led_Zeppelin - Led Zeppelin - Stairway To Heaven 1 https://en.wikipedia.org/...
Gouraya4912's user avatar
1 vote
2 answers
84 views

How do I Write a RegEx that will Edit Only Very Specific Data

I'm trying to write a regular expression that will find data scattered throughout several files that look something like this: [Something here](HTTP://somesite.com) [DifferentStuff](HTTPS://Another....
Ken's user avatar
  • 11
1 vote
1 answer
304 views

Powershell rename-item using RegEx for filename irregular pattern

I have filenames in a directory that have different beginning strings of characters that I wish to strip out and leave just the alpha characters + file extension: [example] 1-09. But Not for Me.mp3 1-...
Jeff Taylor's user avatar
0 votes
2 answers
202 views

RegEx Notepad++ Search and Extract

I am looking for the RegEx search string to extract a specific entry in a single row. Example is {"version":"264599-1-0","exportPath":"Site Management/Site Set-up/...
Quentin Lynn's user avatar
2 votes
2 answers
195 views

I want to get every command that has 3 letters and only three letters

I don't get the output I expect using apropos -k . |awk '/^.../ {print $1}' am I completely overthinking this? In this sample output only zsh should have come back. I also tried this apropos -k . | ...
Mark Scheck's user avatar
0 votes
2 answers
83 views

Replace blocks of numbers: </2645>

I have a file in Notepad++ that was converted from a PDF. I've managed to sanitise loads of nasty glitches with regex but this one escapes me. Blocks of numbers like these: </2478><2479> &...
NICKINNK's user avatar
1 vote
1 answer
31 views

What is the purpose of the |$ within quotes in the following command?

openssl x509 -in cacert.pem -noout -text | grep -Ei ".*public.*|$" | less -Rx How does this command filter the information in bold? Technical College, CN = Jim's Root CA **Subject Public ...
Johnny Garcia's user avatar
0 votes
1 answer
72 views

Delete all except matched items

I want to delete all the data except matched items from my file. I am using Notepad++ I want to keep everything between <w:t> and </w:t> tags delete rest of the matter. Sample data: <?...
Shahid's user avatar
  • 97
0 votes
1 answer
439 views

Regex to find more than one occurrence in GrepWin

I want to find more than one occurrence of the tag h1 in multiples files. The following regex brings files that has it more than 2 times, which is working great: /(h1.*){2}/ However, what if I want ...
Mike's user avatar
  • 337
1 vote
1 answer
407 views

How to test if a cell matches given REGEX in LibreOffice Calc?

I have a cell, and I want to test if it passes a specific pattern: 3-4 alphanumeric, minus, 3-4 alphanumeric, minus, 4 digits, minus, 1 or more digits. In other words, I want "TEST-TST-1234-33&...
v010dya's user avatar
  • 216
0 votes
1 answer
74 views

How can I remove a fix substring from a UNIX/Linux output?

My question looks ridicilously simple, but: I would like to remove an entire string, not a list of characters, so I can't use tr. I don't know the position of my substring, so I can't use cut. I'm ...
Dominique's user avatar
  • 2,243
1 vote
1 answer
371 views

Use sed to "format" first two letters of every word

I am trying to get to a sed command to format (HTML) the first two letters of every word from a plaintext input. I would like to input a plain text and mark the first two letters bold with the <b&...
roediGERhard's user avatar
3 votes
4 answers
318 views

Select all lines of maximum 12 words that end that do not have any punctuation at the end

I want to select all lines of maximum 12 words that end that do not have any punctuation at the end. Example: Love's Equal On Earth In a moving "in" and "out of focus" image, what ...
Hellena Crainicu's user avatar
0 votes
4 answers
826 views

How do we search for files which contain a specific word and end in a specific file-type suffix?

How do we use Microsoft Windows PowerShell and Regular Expressions (Regex) in order to find all of the pictures (image files) on a computer such that the file name contains the word "dog". ...
Toothpick Anemone's user avatar
2 votes
0 answers
61 views

How can I filter Windows 10/11 notifications based on string/regex?

I'm looking for a way to filter Windows 10/11 notifications based on their content, be it string match or even regex. My current use case is that I'm in a Discord server which has a "firehose&...
Mxx's user avatar
  • 2,861
1 vote
2 answers
69 views

How to isolate portion of string and remove excess in Notepad++ using regex?

I am attempting to isolate a particular section of a line, and delete everything else after it. Below are some example strings on what the general formatting of the file looks like. Each one of these ...
Grant Hood's user avatar
-1 votes
3 answers
906 views

Notepad++ find and replace using wild card

I have this very long file with many lines like this: MeshFile=brosm05028.gmt CollTarget=True HATTarget=True LODOut=(500.0) What I am trying to do is to use notepad++ find and replace to set the ...
Some Random Bozo's user avatar
1 vote
1 answer
111 views

How to copy up to a particular character (including that character) in every line using Notepad++

I have a text file with about 10000 lines of text. The text file is in JSON format. I want to cut (& keep in clipboard) the data found after the ':' colon symbol. { "Cust_Data": { "...
Hodler's user avatar
  • 13
0 votes
1 answer
486 views

How can I combine "Search for multiple strings (patterns)" with "Print rows after a hit" in a string/search and output a common file?

I am using the windows version of grep "GNU Grep". syntax: grep [OPTIONS] PATTERN [FILE...] How can I combine different options with different patterns? Both lines listed here work on their ...
minu's user avatar
  • 3
1 vote
1 answer
189 views

Decline all URIs with tilde character in Nginx

I would like to return a 403 whenever a request contains a tilde character (~) Example: https://example.com/~/item-1/ or even. https://example.com/item1?status=~pending I want the above to return a ...
Cheruiyot Felix's user avatar
1 vote
1 answer
384 views

Combine two regex formulas into one (using notepad++)

Si cum îi semănau ! Fraţi buni, puindu-si, ca si el, tot sufletul în ceea ce făceau, muncind din greu, luptind din greu, jert- findu-se, fără nici un gînd de răsplată. Simțind în tot ceasul, ...
Just Me's user avatar
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1 vote
1 answer
372 views

How to remove all straight line shapes from a Microsoft Word document (*.docx)?

I have a docx document that has many straight line shapes in different parts of the document. I am tasked to remove all of them. I could do it manually but the document is 160 pages long and each page ...
Astral Wanderer's user avatar

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