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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12 views

batch file to multiply number in text files

I have lots of txt files to edit numbers in them. Some of them contains lines like this: delay=250/1000 I need a simple script/software to set editing rules like this: scan %y'th line and find ...
4
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2answers
2k views

Can Outlook Search use Regular Expressions (or wild cards)?

I'd like to search my Outlook email with regular expressions. Is this possible? If not, is there any sort of non-regex wildcard functionality? Without any sort of plug-in is preferable, but if not, ...
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2answers
52 views

Notepad++ Find and Replace: Wildcard Varying Number of Lines?

I have a tricky problem. I need to make a minor change to a large number of xml files (500+). The change involves switching a value from 'false' to 'true.' The line that needs to change looks like ...
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1answer
16 views

MS Word regex insert carriage return in match

It appears that MS Word accepts regular expressions for finding and replacing strings. I would like to use regex to add carriage returns to a block of text, in order to parse out individual lines. ...
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1answer
22 views

Backslash expression to add an underscore at the end of a word?

I have a huge list of words where every one is in a new line. I'm currently using the text editor SciTE which can perform backslash expressions. Which expression do I need to use to add a _ ...
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1answer
37 views

Exclude a single file from an nginx location match

I have a location on nginx like this: location ~* /(images|cache|media|logs|tmp)/.*\.(php|pl|py|jsp|asp|sh|cgi)$ { return 403; error_page 403 /403_error.html; } I have a php script that combines ...
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1answer
17 views

Partial formatting in Microsoft Word find and replace

I want to use Word's "Advanced Find and Replace" tool to find this string: See, e.g., And replace it with this: See, e.g., The difference between the two strings is that the second comma ...
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4answers
29k views

Can you do Regular Expressions in Excel without VBScript?

I'm looking for an Excel function that I can put in a cell to do a regex search of the contents of another cell. Is there anything available to do this? I'd prefer not to have to add VB Script to ...
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1answer
22 views

vim regex :s/^\s*\(.\)\+/\\\1/g only shows last character substituted

I need to prepend a backslash \ to each character in a string, excluding any leading whitespace. I believed the following would do the trick. :s/^\s*\(.\)\+/\\\1/g but it produces this result for ...
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3answers
102 views

How should I write a regex to match a specific word?

I've been trying to get a specific regex working but I can't get it to do what I need. Basically, I want it to look for ROCKET. The regex should match ROCKET in upper or lower cases, and with or ...
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1answer
46 views

Notepad++ find procedure/ function declaration

I need to find a procedure declaration in Notepad++. How should I search using regex to find procedure someproc(..) and not the procedure "includes" external procedure someproc(...) i.e., search ...
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1answer
25 views

Concatenating varying number of lines notepad++

I have a file where i need to take varying number of lines and concatenate into one. It could be two, three, or four lines that require concatenation. There is a common set of characters (say 'xxx') ...
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1answer
62 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
18 views

Using Perl regex over multiple lines

I'd like to replace all occurrences of this in a file: ab ba With this: a a I tried the obvious: $ perl -i -p -e 's/ab\nba/a a/' file.txt With no success. How is this done? I can't find any ...
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8answers
42k views

What regular expression can I use to match an IP address?

With the following grep syntax I want to match all IP address in a file (from a ksh script) grep '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' file The problem: It also matches words ...
2
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2answers
62 views

How to recursivly delete all JPG files, but keep the ones containing “sample”

How can I find and delete all the .jpg files in a directory tree with the exception of the ones containing "sample" in their filename? For example : a.zip -> keep it b.jpg ...
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2answers
2k 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 ...
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1answer
100 views

How to capture a couple of lines around a regex match?

I am searching for a regex expression to match couple of lines over the matched line. For example: ABCDEFGHADEFGH ABCDEFGHADEFGH ABCDEFGHDEFGHABCDEFGH ABCDEFGHDEFGHABCDEFGH ABCDEFGHABCDEFGHABCDEFGH ...
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1answer
13 views

Grep Whitespace across multiple lines

Given the following in a bunch of text files (.vb): Partial Class [A-Za-z0-9_] Inherits System.Web.UI.Page End Class I'm trying to grep for files that have this basically empty code file, to ...
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2answers
51 views

Delete n lines following a pattern (and the line matching the pattern)

How can I delete a line containing a matching pattern and the following n lines using a tool supporting regular expressions? Said differently, how can I write a regular expression matching a line ...
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2answers
30 views

Using the 'ed' editor, how can I print the first 20 matching lines?

Given a file of humongous size, I can edit with ed, then issue the following command. g/real/p Which will print out all lines containing 'real'. What I want to do is print the first 20. I know ...
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1answer
62 views

Delete all script code when saving an HTML file

I save and archive a lot of Paypal receipts, and the files come with tons of garbage script code not necessary for archival purposes. I would like to come up with a way to strip all that code so I ...
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3answers
31 views

What does `[]` do in a regex?

This webpage contains a number of regexes containing []: http://mmcif.wwpdb.org/dictionaries/ascii/mmcif_pdbx_v40.dic An example: [][_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]* The page ...
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2answers
38 views

Regex to select only specific number of spaces

I am using notepad++ and I want to do a find & replace operation. For example 4 number of spaces means 1 tab 6 number of spaces means 2 tabs etc. In my file all the spaces are in the ...
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2answers
36 views

How do I signify repetition in a ZMV regex?

I'm trying to manually pull the digests off of Rails assets (don't ask). I was directed to ZMV for easy regex-based find/replace. But the normal {32} syntax for specifying an amount of repetition does ...
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1answer
17 views

Using grep for text search

I need to search the filesystem for text strings that match some string. I'm trying to get where the commands are used, meaning in which files they are called or used. I need to find every file where ...
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1answer
33 views

Is there a way to highlight text matching a regular expression in Chrome even upon page redirection?

Is there a way to highlight all words that are written in ALL CAPS when I load certain pages in Chrome? Ideally, the solution would work for the current page, and when I click the form button, it ...
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2answers
27 views

Append text to lines between two patterns every time they appear in a file

This will be a rather hard one, i guess. I have to fiddle around with inline documentation that is extracted into html files to be used as online documentation, but these parts of the files should be ...
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1answer
29 views

RegEx expression to replace /randomword/ with <i>randomword</i>?

I'm looking for a RegEx expression to use with Find & Replace that will turn /randomword/ into <i>randomword</i> without actually changing the random word. Possible to do this ...
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2answers
106 views

Replace any number of spaces using regular expressions

How can I replace any number of consecutive spaces, with, for example, a tab in a text editor supporting regular expressions (like Notepad++) To clarify: Replacing every occurrence of one or more ...
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2answers
39 views

Remove lines containing only a word and a number ? (notepad++, regex)

I have several hundreds of .txt files from which I would like to remove the lines where only the word "Volume" followed by a number appears. The word "Volume" may appear several times in each text ...
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3answers
5k views

Extract/delete all other text than whats inside quotation marks (“ ”), and after string

I'm have a very big data output in a .txt file that looks like this: value1="1",value2="2",value3="test3",value4="4" value1="1",value2="2",value3="anothertest3",value4="4" ...
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2answers
161 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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0answers
27 views

how to set outline-minor-mode heading levels in outline-regexp

I am trying to add a custom heading to program mode, and I want it to be on the highest level and move all other levels down, so I can add more structure to my long script. For example, for python ...
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4answers
4k views

Substitution in text file **without** regular expressions

I need to substitute some text inside a text file with a replacement. Usually I would do something like sed -i 's/text/replacement/g' path/to/the/file The problem is that both text and replacement ...
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0answers
28 views

How to show temperatures on Conky from macfanctld?

On Ubuntu 14.04 in a Macbook Pro 8,1. I'm trying to display values of the temp sensors that macfanctld uses. When viewing /var/log/macfanctl.log or when sudo macfanctld -f outputs to stdout, the ...
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2answers
759 views

Asterisk (*) and plus (+) are not working in Notepad++ as a regular expression

I am using Notepad++ and learning regular expressions, but I am wondering why some of the meta characters are not working in the editor, that is, asterisk (*) and plus (+). For example: The tree ...
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1answer
38 views

regular expression to reverse the order of two unknown words separated by a comma

I am trying to use ReNamer regular expressions to reverse folder names that use author names. They are set up as LastName, FirstName and I need to change them to FirstName LastName (minus the comma). ...
0
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1answer
34 views

sed regex pattern matched greedy although it should not

I stumbled upon a behaviour I can not explain, hope some of you guys can help me out. I try to generate a sort of documentation from a bigger Ant project, as such I use sed to filter the information ...
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0answers
19 views

How to unblock Pinterest's follow button?

I use adblock on Pinterest and it blocks the follow button. I like to unblock the specific element without allowing other ads. Here are the regex I tried: pinterest.com#@#div.boardButtons ...
0
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1answer
26 views

How to process files with purely numerical extenson [ regex ] Windows

Windows, batch. I want to process files in batch for loop. The problem is:I have no idea what exactly the extension will be. What I do know is that it will be a number. So what I'm trying to create ...
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1answer
23 views

I need help in selecting entire multiple lines that starts with unpackcontainer & copy that text to different text file in Notepad++

I need help in selecting entire multiple lines that starts with unpackcontainer (as shown) & copy that text to different text file in Notepad++ on Windows: unpackcontainer -s ...
0
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1answer
14 views

How to replace from second occurrence

My data looks like this: Name,Minutes,Meters ABILENE TX - CHARLESTON SC - ABILENE TX - CHARLESTON SC,1162,2052516 ABILENE TX - CHARLESTON WV - ABILENE TX - CHARLESTON WV,1153,2029119 ABILENE TX - ...
0
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0answers
43 views

Loading org-mode agenda files

I'm having trouble getting Emacs to automatically include files in my org-mode agenda. I want files from two folders included, which I've attempted to do by setting (setq org-agenda-files (list ...
0
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1answer
54 views

Is there any way to save a search in Xcode or OS X?

I want to improve my workflow by having a saved search that I can either simply open, or would automatically update. For my current particular use (may change in the future), it would search the ...
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1answer
25 views

Filezilla regex for filtering out all subdir except one

I'm trying to get filezilla filtering out all the subfolder of a certain folder except one without success. My tree looks like this: css/ |--many files and dirs... js/ |--many files and dirs... ...
0
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2answers
29 views

How do I print the line only with the last occurrence of a regex?

I have a (large) file that has multiple occurrences of the expression SCF Done and I am (for now) only interested in the last of these lines. Currently I am using a piped command: sed -n '/SCF ...
11
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5answers
42k views

Matching only the first occurrence in a line with Regex

I am completely new to regex and I would greatly appreciate any help. The task is simple. I have a CSV file with records that read like this: 12345,67890,12345,67890 12345,67890,12345,67890 ...
5
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2answers
7k views

How to match digits followed by a dot using sed?

I'm trying to use sed to substitute all the patterns with digits followed immediately by a dot (such as 3., 355.) by an empty string. So I try: sed 's/\d+\.//g' file.txt But it doesn't work. Why is ...
5
votes
2answers
2k views

Removing files matching a numeric range regular expression

I have a folder which has many files. Some of the data files are labelled 1, 2, 3, ..., 300 I want to remove these data files using the terminal. How do I do this? I want to do something like rm ...