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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Regex for cron pattern not working

Tried to create a (simplified) regex for cron patterns for myself and came up with the following one: ^(((\d+(,\d+)*)|(\d+-\d+)|(\*(\/\d+)?))(\s+(\d+(,\d+)*)|(\d+-\d+)|(\*(\/\d+)?)){4})$ This is ...
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19 views

Copy files with extension - search subfolders

Copying ttf files from one folder to another using wildcard "**/*ttf", however this is not searching the files in sub-folders as well. How can I copy all the files (present in sub-folders as well) ...
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21 views

Stop regex from searching after hitting the first specific string instead of going to the last one

I have a file that looks like this: <target>randomnumber1 </target> <target>randomnumber2 </target> <target>randomnumber3 </target> I need a regex that will find ...
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1answer
36 views

Using RegEx to select text

I have some very long strings of text where the first 30 characters are all identical but the following characters are all random except that the last character is always a '>'. How can I use RegEx to ...
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1answer
14 views

Remove characters before string?

I have a huge CSV with content like so: 9,4300~SEAFOREL (VZ-1000984) 10,050T~KEERLA SWER (VZ-1000985) 11,RI-10~Richmond No.10 33kV (VZ-1000983) 12,366.FC~HUNT (VZ-1001094) I want to get the ...
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2answers
32 views

Notepad++ - How to remove everything after the last backslash “\” on a line in a text file

I have a list of about 30,000 files (with paths) that need to be individually copied along with their folder structures. Unfortunately, the paths are very long and the file copy utilities that will ...
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2answers
32 views

How to remove text before link

I want to remove everything before a link in some text. I'm using Notepad++ and have tried several regular expressions but nothing works correctly. What I want: Before 92812/abc.png', ...
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1answer
16 views

Get user logged into a given tty

I'm writing a bash script that disconnects idle sessions but writes to the tty a few seconds before terminating it to make sure it really is not being used. The format for write is write user [tty]. ...
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13 views

Editing gcode with vim regex

I need to edit gcode for a model in particular I have to substract number 87 from all Z coordinates. Here is sample of gcode: ;LAYER:435 G0 F9000 X-38.420 Y-26.887 Z87.300 ;TYPE:WALL-INNER G1 F1800 ...
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27 views

Notepad++ RegEx Help Please

I would like to use notepad++ to remove all text after the / in a domain url. I have a huge list of domains and some of them have a specific page or address after the domain name. I want to strip the ...
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31 views

Regex append a string to a part of the match

I find this quite hard to do, the thing is as follows: I have a string in the form: GlobalParameters::$docId = DocList::$PARTNERS; And I want to append the string _VIEW to the end of the symbol. ...
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31 views

Having trouble replacing a specific hyphen in directories that follow a specific format in Bash

I have a list of directories using the format: 2014-12-03 13-03 2014-09-03 12-07 etc. I need to change them to: 2014-12-03 13:03 2014-09-03 12:07 … I’m trying to do this with for d in *\ ...
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1answer
35 views

How to delete the 3rd occurrence of a pattern in a file, and beyond

How can I find the third occurrence of a pattern in a file (Note: not in a line) and delete the line containing the pattern and n lines below that (say, 5 lines below). e.g., COVER fafjasfj isfapifj ...
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25 views

Amavis - How to blacklist using regex, from an external file

I currently have this line in my amavis user config file: # BLACKLIST read_hash(\%blacklist_sender, '/etc/amavis/blacklist'); It works fine with entries such as: .baddomain.net .spam-galore.net ...
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33 views

Notepad++ search and replace with current line number

I am using notepad++ and am using it to create 200 copy commands. Each line starts copy \\server\\folder\a.pdf 1.pdf I want the 1.pdf to be a different file name for each line so I was thinking of ...
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12 views

Exclude during search and replace but in Word

This is an extended version of question Is there a way to search for a pattern in MS Word document?. What if there is a number as below? 124/555% 123/3333 1233345/1222% So how can I ...
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478 views

Is there a way to search for a pattern in a MS Word document?

Is there a way to look up patterns inside an MS Word document instead of an exact match? I have a document where all decimals have been written as / instead of .. For example, 1.02 has been written ...
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26 views

youtube-dl -o cannot insert single backslash in config file (windows)

I have created a file in the %APPDATA%\youtube-dl\config.txt as suggested at from the youtube-dl doc I need to place the output of the file to **D:\Personal\music** but the problem is that I ...
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24 views

How can I cloak my Amazon affiliate links in regex format for Wordpress? [closed]

I have many Amazon links, each for different products, on my website and I want a generic redirect link that would point to each of my products. For example I have this link: ...
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1answer
12 views

Including and excluding in one regular expression

We're using HP SiteScope system at work to monitor logs and get alerts when a special string or combination of strings is caught. There is one field where the regular expression that catches the ...
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2answers
35 views

How to apply regex to large text file?

I have large text files (some mega) example and I would like to know how if there is a more efficient way to apply regex than to PyCharm or SublimText 2 on Mac OSX. Thanks. Comment: I want to ...
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53 views

Find repeated words in a text

One of most common typos is to repeat the same word twice, as as here. I need an automatic procedure to remove all the repeated words in a text file. This should not be a strange feature for a modern ...
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1answer
33 views

Search and replace option in notepad++ for making a dictionary

We've gotten several files from a professor who published his dictionary and we convinced him to make it open source and make it freely available online. So now I've ended up with several files with ...
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1answer
42 views

How To Search for multiple multi-word strings in vim?

For example I'm trying to search for the occurence of both hello world and goodbye world in the same line. I've tried a bunch of difference iterations. For example, if you want to find one multi-word ...
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3answers
42 views

Are there any simple windows utilities to monitor a text file and capture contents if a “trigger expression” is seen?

One of our customers (and not an especially computer literate one) is experiencing a problem that we are unable to reproduce. We have a Windows application with verbose log files available (using ...
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36 views

Bash - Fixing messy output

I'm not sure how/why this is happening. Basically I have a command that is supposed to find and clean out all files in the desktop that contain a certain pattern. I am doing the first part using: ...
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30 views

Getting RegEx Code for File Name Change

Good Day Please help to find the right RegEx or other code for changing file name. Many subtitle files I have unnecessary character. I need to rename in my expectation format. Here the example Raw ...
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1answer
47 views

Regular expression/Wildcard find replace to change date format( 9/7 --> September 7th) in Word

I am editing a large document that has mansy date in mm/dd format. I would like to change them to "MMMM ddth" format. I am wanting 9/10 to be changed to September 10th. Seems like it should be: ...
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1answer
25 views

Regluar expression - Remove Numerical Entry

I want remove entries such as 0:1.2 and 14:12.4 and 196:4.6 from a text file using regular expressions. A sed, awk, perl or generic regex suggestion would be appreciated.
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2answers
41 views

Replace but leave between characters unchanged

I need to replace but leave between characters unchanged: Example: <column name="propertys_uid">30</column> <column name="property_name">Villa</column> <column ...
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1answer
35 views

regex not working as expected in grep

My problem is about a regex. Thanks to regexr, I managed to write up an expression that matches the interface name route linux command gave me. But I can't catch it with: route | grep -Eo ...
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22 views

Can we use regex in alias command?

I want to create the alias for this command. ssh user@ip as alias [0-9][0-9][0-9].[0-9][0-9][0-9].[0-9][0-9][0-9].[0-9][0-9][0-9] ="ssh user@$0" I have created it ,but it is not working. Is there ...
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1answer
31 views

Proper syntax for escaping a `$` in a regex in a bash shell script/makefile?

I'm running a Makefile which includes the following line... find ./ -type f -regextype emacs -regex ".*tests$" | xargs rm -f and am getting an error: find ./ -type f -regextype emacs -regex ...
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1answer
18 views

how to print pattern match

I am trying to get versions for services in a gnmap file. A typical line looks like: Host: 192.x.x.x () Ports: 21/open/tcp//ftp//HP JetDirect ftpd/, 23/open/tcp//telnet//HP JetDirect printer ...
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8 views

Why does sed accept \s (only when not in a character group)?

Okay, so I have always used \s to match whitespace but now I have been having a bit of difficulty as with sed, while trying to do a negated character group match [^\s] I found this does not work. ...
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2answers
42 views

Notepad++ Replace Iteration

(I have edited this post for clarity) I have a terribly formatted text document.. Luckily, though terribly formatted, it's reliably terribly formatted and so regex has saved me days worth of work. ...
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1answer
47 views

Mac Word 2011 Regex

So my question is about regular expressions in Mac Word 2011. I have the following phrases that need to be found within a document and would like to get rid of them all at once. Examples: [set C/G, V ...
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2answers
54 views

Delete lines which have a particular word

I have a list of links like this http://mysite.com/wp-content/uploads/dogs-24x100.png http://mysite.com/wp-content/uploads/dogs-640x2648.png http://mysite.com/wp-content/uploads/dogs-72x300.png ...
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3answers
61 views

How to switch and merge text lines in Notepad++

I'm using Notapad++ and I have 2 situations here that I'm stuck with, regarding large text files that have lists of verb conjugation for my students, to use with a database of an android app. ...
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1answer
38 views

is there a way i can either insert a character into a line or substitute and arbitrary character with itself plus some other carachter(s) in sed?

like say i have a string of numbers that constitute a phone number and are like so ########## and i want to format them like : ###-###-#### insert only puts in new lines, and i dont know how to ...
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1answer
60 views

Adding syntax highlighting for a comment section in Emacs

I have the following (defun add-c-syntax-highlighting () (font-lock-add-keywords nil '( ("\\<\\(\\-+\\)" 1 font-lock-warning-face prepend) ("\\<\\(FIXME\\):" 1 ...
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1answer
39 views

What is the difference between regular and literal expressions in FINDSTR?

What is the difference between /R and /C? FINDSTR [options] [/F:file] [/C:string] [/G:file] [/D:DirList] [/A:color] [/OFF[LINE]] [string(s)] [pathname(s)] /C:string Use string as a literal ...
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1answer
74 views

Linux find files in subdirectories by extension (.txz) then move them to specified directory using regular expressions [duplicate]

I have mirrored a directory from a server with a large number of sub directories, each of which contain a .txz package and the usual .txt and descriptor files. What I would like to do is the ...
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64 views

Is there a way to use Regex( or comparable solution) in Excel formulas?

I have a spreadshet that requires me to do some matching,namely speaking its a list of bonds, their tickers(names) and some data about them. I want to match their tickers(names), I know how would ...
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1answer
220 views

Notepad++ how to copy the text (only) which matches the regex expression (not the whole line)

I am looking for a simple way to copy into the clipboard all the "marks" in notepad++. I found that I could copy the whole line that match the regex using the bookmark option. But I'm looking for a ...
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2answers
175 views

How can I replace around a wildcard in a regex search?

I'm trying to comment out all of the variable type declarations in a script I have, but I've run into this problem a few other times. I'd like to match a string, followed by a variable name, followed ...
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2answers
61 views

Notepad++ : How to remove second occurrence of comma

I have text lines in Notepad++ like below: 1122, String1, String2, 20202 2222, String3, String4, 21212 3333, String5, String6, 3333333 4444, String8, String7, 44we23 I need to just remove second ...
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1answer
43 views

Notepad++ RegEx replace XML file

I have looked around a lot on here but cannot find a solution to my problem and an a noob when using RegEx's. I am trying to change a XML file with tags that look like this: <key>Date ...
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4answers
78 views

Select all matching text in Vim?

I have a bunch of data, and I want to yank everything that matches the following regex to a register : /'user': '[a-Z]*' Is there any way to copy all the matches to a register in vanilla vim? I've ...
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536 views

Bash: exact match of a string with regex

I have to do an exact match on a string with a regex. i have to realize this pattern: toCheck must start with 2 occurrence of $str1, with max 1 occurrence of $str2. If toCheck match the pattern, i ...