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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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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82 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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42 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
48 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
52 views

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

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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2answers
54 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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53 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
76 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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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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50 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
47 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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30 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
91 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
19 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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16 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
64 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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88 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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55 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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134 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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42 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
68 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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53 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
104 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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2answers
82 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
542 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
1k 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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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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55 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
97 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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1answer
1k 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
25 views

Return / transform then return pattern with nulls

I'm using grep/sed to parse a large binary file full of nulls for some specific data. This is in a windows environment using gnuwin32. Assuming I had some to return some data from a binary file that ...
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How To Search & Replace From a Word to another in The Same Line?

Like I said,, I want to search each line, from a word at the beginning of the line, To another word at the end ! For Example, let's say that I've a text file, that contains these lines :- 1.RA.xm: ...
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1answer
47 views

Remove beginnings of email addresses from text using grep or sed

I have a text file with lines like the following: John Stevenson Johnnyboy34 john.stevenson@company.com 0320423\n Mike Anderson AndersMike mike@mikeltd.foo 0234234 How do I remove the "text" ...
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12 views

Upping all seconds of X value

I have a subtitles file. What regex should I use in Notepad++ to up every line of 2 seconds? 00:01:15,444 --> 00:01:17,613 should become 00:01:17,444 --> 00:01:19,613
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LDAP role/group membership

We have many users registered in our LDAP auth. So far we've only stored login and mail-related information in this LDAP. In our main application (Play! Framework), we needed to modelise roles ...
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113 views

Multiline find and replace wrapper with wildcard inside

I'm trying to put a wrapper around a bunch of fields that already exist. I want to convert this: <div class="editor-label"> @Html.LabelFor(Function(model) model.FirstName) </div> ...
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66 views

Notepad++ remove comma from string

I have about 5000+ lines in a csv file. Part of each line looks like this: ...Name 1:, Smith, John, Name 1 #:... ...Name 1:, Doe, Jane, Name 1 #:... I need a regex that will remove the comma ...
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29 views

Fix problematic number formatting

In a spreadsheet I have several columns which had the following number format: 233,95. I have replaced all commas with dots, to 233.95, but it turns out that this was not such a good idea as there are ...
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2answers
20 views

Notepad ++ : How to Replace as the description

I have lines like these abye/>abye abys/>abys aced/>aced aces/>aces I want it like this abye abys aced aces Is it possible? If it is then please someone show me the way.
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need a regular expression command [closed]

How to take the word 'healthcare' from the word 'vendor_reg_analysis_healthcare.xls', By using the regular expression command SO by telling in detail , I need to take a word after third _ from the ...
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2answers
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RegEx is matching characters before I want it to

I need to parse a string that looks like this: A Christmas Special - Special of the day into 3 or 4 distinctive groups depending on if the - character is present in the original string or not like ...
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1answer
44 views

Choose first comma after specific pattern on each line

I have almost thousand lines each with the same structure and I have to edit one part of it. "650","4","The lenght of this part varies, Here's some commas, here, and, there" "203","4","Now this is ...
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1answer
172 views

Find and replace using wildcard/regex characters in Notepad++

I have an HTML Code with the following structure: <td class="tar"> <div class="bubble in"> Some Text, I want to keep! And maybe even an image: <img src= ...
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59 views

specify the regex dot `.` and `..` in powershell to find files/directories?

I find powershell in some ways, can do regexes to a limited extent. No doubt it can do more but I can't see why it isn't here. I'm trying to use a regex to specify files/directories. For example, ...
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text file — search via regex, bold the results in order to physically print out

i can't think off the top of my head an app which will allow me to do this. i have a document with hundreds of lines, i want to search via a regular expression and either bold or italicise the hits. ...
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How can I delete everything after the first column in Notepad++?

I'm trying to get rid of everything after a column in Notepad++. Column mode is not an option. Is it possible? What I have: 70.97.110.40 159 ms [n/a] 21 ...
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45 views

How to remove text that does not contain spaces from a delimited string in Notepad++

I have a string such as brown,Ceilings,flu,hydraulic bar stool,horse saddles,marble tiles. I want to remove the text that does not contain spaces, but keep the text that has at least one space. The ...
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63 views

Need to add missing iteration id numbers to a series in text or excel. How to get this done without coding?

I have a text, csv or excel file that looks like ||--ID-----||--Name--||--Date of birth--|| 1 Jo 1/1/11 32 Mo 2/2/12 3382 Ro 3/3/10 ...
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76 views

Using Notepad++ search/replace PHP code with regexp

I don't have experience in regexp so I hope someone will able to help me to change faster than by hands Need to replace objects to arrays like $variable -> child; OR $variable->child to ...
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155 views

How to use backreferences in oracle sqldeveloper find/replace

How do you use backreferences when doing regular expression find/replace in Oracle SQLDeveloper? \n doesn't work for me and neither does $n.