-1
votes
1answer
63 views

Regular expression to mask credit card digits in a file

What is the most simplest way to mask all numbers but the last 4 digits of a credit card number in a file using sed. Using egrep with the following regular expression we can find numbers of Visa, ...
4
votes
4answers
63 views

Replace using vim - Replace a pattern […] by a string

I have a file containing lines in below e.g. format - [foo@host.com, bar@host.com], Payment processed - 23499, params = {'invoice':3243} I only want the account numbers i.e. 23499. It's a number. ...
4
votes
3answers
133 views

Search and replace strings that are not substrings of other strings

I have a list of replacements like so: search_and -> replace big_boy -> bb little_boy -> lb good_dog -> gd ... I need to make replacements for the above, but at the same time avoid ...
0
votes
1answer
151 views

Search for pattern across multiple files and replace a sub-part in all occurences

I am helping a friend with her thesis written in LaTeX and I need a quick solution for a "search and replace". Using a terminal in Linux, how can I find the following pattern: \caption{*\cite{*}} ...
4
votes
2answers
287 views

Why does this add spaces? echo “x ax” | sed 's/x\s*/x /'

I want to find a x, and replace the 0 or more following spaces (\s*) with just a single space. echo "x ax" | sed 's/x\s*/x /' For some reason, instead of replacing the spaces with the single space, ...
1
vote
4answers
684 views

Replace text between brackets

I'm using awk '{ gsub(/BAR|WIBBLE/, "FOO"); print }' to replace text in data like: SOMETHING [BAR, WIBBLE] SOMETHING [BAR] This gives the desired result of: SOMETHING [FOO, FOO] SOMETHING [FOO] ...
4
votes
1answer
420 views

Emacs simple arithmetics in query replace

Is it possible to do the following in emacs: Query replace all numbers in a region by the number +n, for example if you have: 12 and 7 are nice numbers let n be 3, then it should transform to 15 ...
1
vote
2answers
469 views

How to find and replace files contents that match a pattern?

Suppose we have a folder named Project. I would like find each file in the folder that contains the pattern &$ at the function call. For example should replace: AnyFunction(&$arg); with ...
2
votes
1answer
325 views

How to join vCards lines

vCard uses a special way to split long lines: At 75 characters, insert a DOS newline and a space. Joining therefore means to replace all occurrences of the sequence "CR, LF, space" with an empty ...
2
votes
2answers
2k views

regex replace text in xml file within node from the command line

I have an XML file and I would like to replace everything that is between the open and closing tag within multiple instances of the g:gtin node with nothing. Is this possible from the command line, ...
5
votes
1answer
5k views

Replace using VIM, reuse part of the search pattern

I am working with VIm and trying to set up a search and replace command to do some replacements where I can re-use the regular expression that is part of my search string. A simple example would be a ...