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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289 views

Remove duplicate lines in LibreOffice / OpenOffice Writer

I'm working on a text file in Writer which is basically a sorted list of words and phrases. It contains some duplicates I want to remove. Normally I would use a regular expression in Search & ...
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1answer
486 views

Regular expressions in Microsoft Office 2013

I read the articles on regular expressions in Office already. My wish is to manipulate quoted strings. I need to replace the quote characters with parentheses. For example: "Hello World." ...
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3answers
103 views

Sed replace only in even numbered lines of a file when replace commands are written in a file

I have all the replace commands in a file (say replace.sed) and i use it with -f flag of sed (sed -f replace.sed InputFile). But now i ran into a condition where i need to apply these replace rules ...
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2answers
97 views

Is there any way to do a plain text regex find and replace with standard Windows software?

Long story short, I need to enable a client to routinely run a regex find and replace that looks like this on many SVG files that are up to 3mbs in size: Find: font-family=".*?" Replace with: ...
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1answer
142 views

NotePad++ Get words with REGEX Pattern of Delimiters

I am currently using this REGEX to get whole words with a prefix of PRE_ \b(PRE_)\S* This works fine for most cases, but I would like to handle cases when a special character is part of the word, ...
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1answer
649 views

How do I use wildcards in Notepad++ to 'find and replace' all of this text?

I would really appreciate some help with this. I am working with a large corpus of text that has been marked-up with XML script and I need to tidy some things up. More specifically, there are several ...
4
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1answer
957 views

Bash regex to rename set of files

I have to rename a set of files, using the rename command (with a regular expression).  After some tries, I'm not able to find an expression that gets the expected result. I've got a file pattern ...
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1answer
740 views

Notepad++ Search/Replace Comments { inside } Curly Brackets

is there a way in Notepad++ (whether by Regex or some other way) to replace/remove comments within curly brackets? { some comments { nested comments } need to be deleted } I want to remove the ...
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2answers
55 views

Rename ':2f' to '-' on folder names in Linux

I've got a hard drive taken from a NAS drive where files had been put on from a Mac - However, some of the filenames had been, for example, 'backup 16/07/14' which has then been changed to 'backup ...
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2answers
155 views

How to download all file with name emp* using curl from a FTP site

How can I get all files downloaded from a FTP site directory with file name like emp*. Please suggest.
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2answers
458 views

Checking file names inside a directory with Regular Expressions

I have a list of files inside a directory and I want to make a bash script which uses a regular expression to check if every file name inside it has this syntax: xxxx_xxxx_xx_xx Where x are ...
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1answer
90 views

Insert a line of text before lines matching a regex in vim

I'm attempting to add a column to an HTML table using vim so I need to add a pair of <td> tags the line before each </tr>. So far I have :186,$s/ <\/tr>/<td><\/td> \n ...
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136 views

How to navigate PHP-based pagination with WGET?

I'm trying to come up with a list of possible names for our next baby boy and have been looking through the site IndiaParenting. Each name on the site has a detail page at a URL like this one ...
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1answer
76 views

Notepad++: How to remove a section of text with regex

I have a file that has lines like: string1,string2,string3 I would like it to just be string2 How would I use regular expression to do this?
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2answers
63 views

How to search the text for several lines and find in order using regular expression

Trying to figure out the regular expression to be used in Notepad++ where I can search the text below (as an example) and find the results in order. Sample Text: { USERECOVERDB 1 } protocol ...
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1answer
62 views

Inserting line before lines containing a particular word

How to insert a line before a line ending with a certain word in textpad? For eg: I want to insert a blank line before every line that ends with the word 'Chapter'
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99 views

Using regex to select word before another word which starts with a capital letter

I would like to select all adjectives in a German sentence. As all German nouns are capitalized, I though one way would be to look for capitalized words and select the previous word. If the selected ...
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1answer
91 views

Weeding out invalid html code with regex

I need a pcre regex that will select all html img tags without a src part. Long story. With help I got to (?-s)<img(?!.*?src).*?\/> which worked fine until a line got a second img tag WITH src ...
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206 views

Meaning of \b in .Net Regular Expressions [closed]

Microsoft has a nifty quick reference card for .Net Regular Expressions. But it seems to list \b as both matching Backspace and also matching "On word boundary". Which is it? Can \b really do both? ...
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2answers
6k views

Grep: count number of matches per line

I'm trying to get the number of matches (in this case occurrences of { or }) in each line of a .tex file. I know that the -o flag returns only the match, but it returns each match on a new line, even ...
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1answer
247 views

using sed to replace 1 line with a multi-line variable in ksh

I have the following text in a file: XXXX NNNN YYYY NNNN ZZZZ NNNN I want to replace the NNNN to make it look like this: XXXX NNNN DUTY FORECASTER: YYYY NNNN DUTY FORECASTER: ZZZZ NNNN ...
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3answers
43 views

set chars to uppercase between parenthesis

let's assume in vim I have following lines: all what (strong) people have to do is pushing (heavy) weights over (and over) again in order to gain muscles and I need to convert words inside ...
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725 views

Nginx rewrite to remove first (generic) path node

I am currently writing a dispatcher that will dispatch different URLs to specific service URLS. I essentially want to dispatch something like: POST ...
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2answers
70 views

Change number in last row in data seperated with commas in NotePad++

I have rows of data all separated with commas. How can I replace the last numbers after the last commas with the number 5 in NotePad++? For example: How do I replace 9, 17 and 124 with 5 in the below ...
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2answers
5k views

How to search a text file for strings between two tokens in Ubuntu terminal and save the output?

How can I search a text file for this pattern in Ubuntu terminal and save the output as a text file? I'm looking for everything between the string "abc" and the string "cde" in a long list of data. ...
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1answer
985 views

Replace spaces with colon (:) in Notepad++?

Suppose (this is sample data) I have these lines: A W BAKER X CANDLESTICKMAKER Y DOGCATCHER Z I want to change the whitespace ...
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2answers
83 views

Match cell content based on line break

I take data from a helpline call in site and transfer it to Linux Libreoffice Calc (LC). Column C cells have 2 sets of data - two telephone numbers - 1 being the caller and 1 being the forwarded ...
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1answer
124 views

How to grep values under columns

How can I grep for a specific column name and display the value underneath that column. Sample data: StandByFile StandByPg StandByLSN StandByRcvBufUsed S0082160.LOG 621668 ...
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36 views

Which regular expressions (POSIX or extended) are allowed in awk?

I'm wondering which kind of regular expressions (POSIX as in grep, or extended in egrep) am I using when type in regular expressions in awk?
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65 views

How to use a regex to organize song lists, changing their order from “Song - Artist” to “Artist - Song”?

I have a long list of songs in the format "Artist - Song", but I want them to be listed as "Artist - Song". How to change all items automatically with a regular expression, preferably on Notepad++?
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1answer
77 views

How do you perform a 2d search in vim?

I'm looking for lines in a file that match a 2-dimensional pattern. For instance, given the following input file: aaaba aabaa aaaba aaaaa aaaaa I'd like to use a pattern like ab ba ab to match ...
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1answer
81 views

Selective Find & Replace to pretty up my C code in Eclipse or Notepad++

I am working on a old C code which have debug statments like this: debug(1, "SomeDebugStmt %s %d", someString, someNumber); ... debug(2, "another SomeDebugStmt number 2 %s %d", anotherString, ...
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3answers
1k views

Using vim to delete all lines except those that match an arbitrary set of strings

I use vim to remove all lines except those that match a particular string, e.g. :g!/[string that I want to remain in the editor]/d Works great. But what I really want, and haven't found anywhere, ...
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1answer
528 views

How do I remove HTML from MS Word 2010 document with Find/Replace Wildcards/Regex?

I found a website to help me choose domain names. I have my shortlist which I can't export, but I need to share the list with some other team members first. It also won't let me copy and paste the ...
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0answers
124 views

Can I apply a regex to file filter on Notepad++?

I have a folder full of xml files, and I want to search through them for a particular ID. However, I only want to search the files that are of the format hello_apple_01.xml, hello_apple_02.xml... ...
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2answers
1k views

Remove quotation marks around a number (while leaving other quotes)

I want to replace all text like this: "latitude": "32.336533", with this: "latitude": 32.336533, I'm using Notepad++.
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84 views

Multiple exclusion patterns with grep

I would like to select lines which do not match the specified pattern, where I have multiple patterns to exclude. As an example, I want to exclude lines which start with the keywords apple and banana: ...
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1answer
46 views

Redirect domain name

I have two domain names pointing to my server. I want them both to serve identical HTML. I thought I would just do the following, however, it was unsuccessful. Note that I eventually will want ssl ...
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197 views

Removing Nested LaTeX Tags with Regex

How would I use regex (such as with sed) to remove all \index tags that occur inside any \index tags? For example, a nested mess like this: \index{Test\index{test\index{test}}ing One\index{one} ...
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1answer
403 views

Use perl to do multi-line replacement [closed]

I have to do some replacements in many *.c files. I want to do the replacement like this: original: printf("This is a string! %d %d\n", 1, 2); result: print_record("This is a string! %d %d", 1, 2); ...
2
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1answer
189 views

find -regex not recognizing \d digit

I have a directory structure that looks like the following: processor0/10 processor0/10.1 processor0/10.2 processor1/10 processor1/10.1 processor1/10.2 ...etc... processor7/10 processor7/10.1 ...
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1answer
2k views

How to use REGEX to capitalise the first letter of each word in a sentence?

I would like to use regular expressions (REGEX) to capitalise the first letter of each word in a sentence. I have achieved the same result in programming languages, but it seems that using regular ...
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2answers
195 views

Microsoft Word 2010 regex replace

I am having a problem with a regex find and replace in Word 2010 (Windows 7). I want to convert reference citation numbers in parentheses to the same numbers in brackets. For example, (20-23) should ...
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3answers
94 views

egrep for time in H:MM:SS format

Working on the file an need to grep the line with a time stamp in the H:MM:SS format. I tried the following egrep '[0-9]\:[0-9]\:[0-9]'. Didn't work for me. What am i doing wrong in regex?
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1answer
137 views

Regular expression that finds same words within 'n' words of each other

I'm trying to put together a regular expression search that finds any two (or more) words that are within n (e.g., more than 1, less than 5) words of each other. The goal is to search over a prose ...
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242 views

Vim experts: how to find a number within a range based on two numbers? Eg “777” matches “667:888”

I need to search for numbers in a text with Vim. The numbers I need to find are often within a range based on two numbers and I need to match that range based on a single number. For example, in my ...
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3answers
148 views

Standardize \n and \r in Vim's search/replace syntax

In Vim, one searches for newlines as \n, but newlines in the replacement-string must be entered as \r. I understand that there are reasons for this behavior, but for my purposes I just find it ...
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1answer
378 views

Microsoft Word wildcards

I have a document that has the word "The" capitalised in many places it shouldn't be. I wish to change "The" in those cases, to "the". I need to change any instances of "The" that are not at the ...
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1answer
208 views

How to remove characters from a matching string?

I want to remove spaces from a list of phone numbers. The phone numbers are in the following format: "+33 x xx xx xx xx" most of the time (quotes included). Spaces can be placed differently. In ...
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1answer
51 views

find using regexp and echo matches

I have about 50 users in /home/ directory and I have cloned a git repository to everyone: Executed at /home/ as root user: find . -maxdepth 1 -type d ! -name . -prune -exec git clone ...