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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Extract substring before = sign using awk

Say I have some file with a bunch of lines in the form someString=someMoreCharacters anotherString.blah=foo=bar blah.blah.blah=foo.bar.=foobar Desired output someString anotherString.blah ...
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88 views

How to do concise two alternative substitutions in Windows Excel 2010? [duplicate]

Possible Duplicate: Can you do Regular Expressions in Excel without VBScript? I wish to replace a string pattern with another along the lines of the following: ...
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1answer
40 views

regex for specific number of numbers

I need to get the regex-pattern for the following sequence of numbers: X.XXX.XXX-X Every X is one number. How can I do that? I don't want to use *, because I need exactly the number of numbers.
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regex : does not begin by “pattern”

I have a lot of lines in my LIST file and want to list only lines whose name does not start by (or contains) "git". So far I have : cat LIST | grep ^[^g] but I would like something like : #not ...
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2answers
464 views

How to grep a line with a backslash at the end of the line?

I'm trying to grep a line with a backslash at the end of the line like: abc\ def ghij ... I hope it can grep the line "abc\". I tried the command below but they didn't work. grep -EHn "\\$" ...
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3answers
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How to delete files on the command line with regular expressions?

Lets say I have 20 files named FOOXX, where XX is the number of the file, eg 01, 02 etc. At the moment, if I want to delete all files lower than the number 10, this is easy and I just use a wildcard, ...
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1answer
153 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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41 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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2answers
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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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515 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
58 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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1answer
164 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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3answers
451 views

Word find/replace: add space to postal code with wildcards

Using the “Find and Replace” dialog in Microsoft Word 2003, I want to search a list of addresses for postal codes (Canadian) that do not have a space in them, e.g., M2N3X6 L4C2A9 K5G1S7 and put a ...
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2answers
60 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
100 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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1answer
31 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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52 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
56 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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60 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
537 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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0answers
56 views

How to define new scopes using arbitrary delimiters in Sublime Text 2

TL;DR: How do I bring Ruby-like comment scope to plaintext files for sublime text? I want to customize my plaintext file look in ST2 by allowing comments. So far I have managed to extend the ...
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68 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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446 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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42 views

How to identify tab delimited columns in Multitail

I'm trying to remove certain columns from my logs, where columns are delimited by tabs. Here are some ways I've tried to remove the second column which didn't work. multitail -kc " " 2 my.log ...
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How to find and replace the character “*” in excel

I am trying to find and replace the * (star, or shift+8) character in a bunch of formulas in Excel 2007. * of course matches the ENTIRE contents of the cell, which is not what I want. How do I ...
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2answers
58 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
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Microsoft Office Word 2010: How to “Find and Replace” an entire line using “regular expressions” (wildcards)?

I would like to "Find and Replace" entire lines in Microsoft Office Word 2010 which match some criteria. I tried to find the solution in the official documentation, but I didn't find the answer: ...
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1answer
40 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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2answers
99 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
310 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); ...
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2answers
121 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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9answers
7k views

How do I copy file named starting with a dot?

I am trying to copy all files under directory A to directory B. All files under directory A are starting with dot, for example: A/.a A/.b A/.c which I found if I use: cp A/* B, always get error: ...
2
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1answer
83 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
473 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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3answers
73 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
74 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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98 views

Apache mod rewrite testing tool (no online tools)

I've tested some great RegEx standalone tools and found a couple of mod rewrite online tools, but is there some standalone tools for testing apache mod rewrite definitions? Ideally, I want something ...
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1answer
112 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
93 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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3answers
110 views

Can anyone explain why this pattern matching is not working using sed

Trying to print out specific times of logs based on recommendation from this thread from super user. I am not sure why my patterns are not being matched by sed. I have the sample date and time I am ...
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1answer
51 views

Matching only numbers that come in numerical order

I have numbers in [.] indicating the page number of an orginal printed document I am transcribing. However, the document also contains other numbers in [.] that do not correspond to page numbers. For ...
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1answer
67 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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2answers
89 views

Replace all, “But” Regex Notepad++

I have a text file with lines looking like the one below : ('8510851205', 'needthishere', '', ''), I need it to remove everything and leave only needthishere on every single line. How would I do this ...
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1answer
167 views

Notepad++ exclude starts with a two digit number

I would like to exclude anything that starts with 87. By combining the first two digits, I can find lines that start with ^8+7 or ^87. But I was trying to use ^[^8+7], but it doesn't seem to work. I ...
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1answer
112 views

Notepad++: Add tab at the beginning of a multi-line match found with regex?

I have text formatted like this: :AGG NUMBER 1 :TYPE Alfa any text 1 line 2 anythihng :END :AGG NUMBER 2 :TYPE char other any text 1 line 2 :END I need to add a tab character at the beginning of ...
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187 views

Find duplicate phrases - any tool or regex

I've got a long document, and I suspect that some phrases (one or multiple sentences) are identical or at least similiar. Is there some way to find these repetitive phrases? Some tool or regex?
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2answers
50 views

Converting Perl Regex to PHP [closed]

I have the following Regex in PERL which I need to convert to PHP if($line =~ m/[<]div class="row.* id="(vm_[0-9]{8,9})"[>]/i){ } I currently have the following in PHP to match it, but I'm ...
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1answer
84 views

Replacing quotation marks in Word (reg ex)

I have a large text document with inconsistent quotation marks, i.e. ...Dolore magna aliquam “lorem ipsum” dolor sit amet, 'consectetuer adipiscing" elit, volutpat. Ut "wisi" enim... and I ...
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1answer
519 views

Notepad++: How to remove text in between two specified strings using Regex

I have following lines of data: X1+0X2+0X3+0X4+0X5+0X6+0X7-0.25X8-0.25X9-0.25X10-0.25X11+0X12+0X13+0X14+0.8X15+0X16+0X17+0X18 ...
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47 views

In Vim, why does searching “/A\n\zsB” work, but not syntax highlighting “:syn match Statement 'A\n\zsB'”?

Assume the following text file: A B Or in other words, a file containing only the string A\nB. Let's see if I can match any B preceded by A and a newline. Simple enough. I can do this sucessfully ...