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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\G Token in Regex
I am trying to get a grip of \G token and struggling to understand its proper use. I went through some of the constructs using \G token and I am totally at a loss, how to use them, when to use them or ...
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Add an underscore after numbers in Notepad++
I have a scenario where I have list with some numbers in Notepad++. Here is the sample text:
1-This is item one
2_This is item two
3This is item three
4_This is item five
5This is item six
6 This is ...
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46
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Insert a char just before a particular set of words using Regex
I want to use GREP/Regex in Adobe InDesign. Following is the sample data:
Rat: a mammal. Camel: an animal who lives in desert. An aeroplane: a machine that flys. The muddy water: water full of mud and ...
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Find regex pattern and use it in the next set of repeating lines until another like it replaces it
I'd like to find a pattern that rapeats every few sets of the second where I'd like to move it to.
The only example I could think of right now is a file listing; but I've needed this so many times. ...
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28
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regexp multiple lines grep
I am looking for a correct regexp to return the first match and the new line.
Let's say the logfile is like:
Warning-[ABC] blablabla$
/path1/path2/path3/file
The dollar at the end of the first line ...
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3
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80
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Which regex can I use to replace Greek capital vocals with tonos to ones without it, in Bulk Rename Utility application?
I would like to replace in a lot of filenames, the Greek capital vocals with tonos, with the ones without it:
Ά > Α
Έ > Ε
Ή > Η
Ί > Ι
Ό > Ο
Ύ > Υ
Ώ > Ω
I know how to replace them ...
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25
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Apple Numbers RegEx not working as expected (Negative lookahead)
RegEx.Extract Negative lookahead help needed due to what works in RegEx Support website does not work in Apple Numbers
(?<=XYZ((?!\d+).)*)\d+
This is invoice from company XYZ - 1234545 product name ...
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regex to find non-price consecutive digits not immediately after certain word for Apple Numbers
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How to find invoice number from different companies which may have different order of invoice number, unit cost and total cost?
Following is specific example of a company XYZ which I need to get ...
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2
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51
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adding quotes to set of comma separated IP addresses in notepad++
Please, I have a set of comma separated IP addresses and I want to add quotes to each IP addresses to that I can assign the set a powershell variable and parse each IP address strings in the variable ...
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51
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How to extract a text in between two patterns (potentially containing floating lookbehind) with only one invocation?
I'm trying to match any characters (except line break characters) in between xxx<1+ whitespaces>" and whitespace.
The format of the input string is the following:
xxx<1+ whitespaces>&...
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45
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Match a User That Starts With a Single Letter
I've been handed a script written by another and been asked to modify it according to their needs. There's one line that needs to be altered:
if [ "$user" == "nobody" ]
This ...
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2
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40
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Notepad++ Regex search with characters before and after IP address
I have a huge file with text before and after many IP addresses. I'm trying to extract just the IP addresses that fall within x.x.x.x. The unique characters in the line look something like this:
|SIP=...
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88
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Using VS Find & Replace Regex across lines
I have multiple instances of code that looks like...
if (condition) {
statements
}
else if (different condition) {
statements
}
ad nauseum (probably, honestly about 100+ different times, and ...
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Custom Fail2Ban regex not working as expected
Using the regex filter below:
[Definition]
failregex = ^<HOST>.*Priority: 0
ignoreregex =
Fail2Ban does not detect any of these log entries below.
Mon Apr 1 21:11:29 2024 [**] [1:1000002:1] ...
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Search and replace doesn't work with sed busybox. getting sed: unmatched '/' error
I am trying to search a particular string and replace all occurrences within a file.
sed -i -e "s/$search_string/$replace_string/g" $filePath
I keep getting sed: unmatched '/'error on ...
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3
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50
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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 ...
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2
votes
1
answer
43
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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, ...
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50
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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 ...
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25
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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=&...
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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, ...
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98
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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
...
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1
answer
68
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 ...
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29
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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;' &...
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1
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43
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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 ...
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94
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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 *...
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78
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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-...
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297
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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 ...
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45
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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 ...
0
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2
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82
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 ...
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101
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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 ...
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656
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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" =~ $regex ]]; then ...
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How to use the `tax[13]-eq-dc` regex in a Bash loop?
The following regex tax[13]-eq-dc represents two servers, tax1-eq-dc and tax3-eq-dc.
I'm trying to find a way to use it in a Bash do loop, but can't just get the correct syntax.
E.g., the following is ...
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1
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130
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Surfingkeys browser extension has enabled, disabled, and lurk mode. How do I add a list of websites in surfingkeys to browse in the lurk mode?
Lurk mode is better than disabling suringkeys altogether. For example, Gmail website has list of abundant shortcuts, but still it's better to have surfingkeys' shortcuts as yourbackup. In lurkmode you ...
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374
views
Trying to use regex to match the "?si=" on YouTube share links
I want to match the ?si= on the end of YouTube links using Regex so that I can filter submitted links to remove the ?si= and what comes after.
I want to exclusively match that ID, and not anything ...
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122
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RegEx in Microsoft Word Find/Replace to locate an unescaped semi-colon in index markers
I've got Find/Replace open, under More I have Use wildcards checked.
I have a LOT of index markers in my document, and I want to find semicolons inside the index markers that are NOT escaped. I want ...
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vote
1
answer
80
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Regex code for TeamSpeak3 ControlBot plugin
I want a code that doesn't kick Name_Surname but kicks anything else. My current code is :
^(?![A-Z][a-z]+(?:_[A-Z][a-z]+)*).*$
I need one more rule to add to this code.
I want to allow [C]...
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155
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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 ...
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375
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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 ...
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145
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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: ...
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434
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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/...
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83
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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/...
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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....
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401
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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-...
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2
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504
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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/...
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320
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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 $1}' am I completely overthinking this? In this sample output only zsh should have come back.
I also tried this
apropos -k . | ...
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89
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Replace blocks of numbers: </2645>
I have a file in Notepad++ that was converted from a PDF.
I've managed to sanitise loads of nasty glitches with regex but this one escapes me.
Blocks of numbers like these:
</2478><2479>
&...
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1
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32
views
What is the purpose of the |$ 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 ...
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82
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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:
<?...
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760
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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 ...
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548
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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&...
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