I want to find all image: in a .yaml file, and replace the first match with image:1.jpg, and second image:2.jpg, etc. To do this, I think I need to find out the indexes of regex matches and replace them accordingly. Is this possible? Can I do it in Atom? Besides, is there any other better way to do this?
First, install increment-selection: https://atom.io/packages/increment-selection
Then, enable regex search and do a search for "image:.*" and replace with "image:aaaaa.jpg"
Then do a find all on "aaaaa" and hit ctrl-shift-i to replace that with incrementing numbers. You should end up with image:1.jpg, image:2.jpg and so on.
Related
I have a well structured XML file with several grouped units, which contain a consistent number of child elements.
I am trying to find a way, through Regex in Notepad++, to search throughout all of these groups for a certain argument that contains a single word. I have found a way of doing this but the problem is I want to find the negation of this word, that means for instance, if the word is "downward" I want to find anything that is NOT "downward".
Here is an example:
<xml:jus id="84" trek="spanned" place="downward">
I've came up with <xml:jus id="\d+" trek="[\w]*" place="\<downward"> to find these tags, but I need to find all other matches that do not have "downward" in place= argument. I tried <xml:jus id="\d+" trek="[\w]*" place="^\<downward"> but without success.
Any help is appreciated.
If the properties and the string is in the same format, you could also make use of SKIP FAIL to first match what you want to exclude.
<xml:jus id="\d+" trek="\w+" place="downward">(*SKIP)(*F)|<xml:jus id="\d+" trek="\w+" place="[^"]+">
Regex demo
You might be able to use a negative lookahead to exclude downward from being the place:
<[^>]+ place="(?!downward").*?"[^>]*>
Demo
I am trying to use ant to replace the first occurrence of a regex from the bottom of a file.
I am presently using replaceregexp to search and replace, but can't find any way
to make it work from the end of a file.
Does anyone have any suggestions to solve this?
Thanks,
Chaitanya
Regex works from left to right (from top to bottom), but you can use a negative lookahead to assure that a match is the last one. The idea is that you only match something if the match isn't present afterwards.
If you want to match word (in any context, including crossword), word(?![\s\S]*word) will match only the last occurrence.
I'm trying to find a regex for removing everything after the last dot in a file. So far I've found ways to remove all text before the first dot, but I can't seem to find a way to select the end of the file. Could you help me on the way?
Thanks in advance
You can try something like:
\.[^.]*$
to match everything including and after the last dot. If you don't want to include the last dot, then you can use a positive lookbehind:
(?<=\.)[^.]*$
Try following regex for search and replace
s/\.[^.]*$/\./
On Bigquery, r'([^.]+).?$' works, if you want to remove the last dot.
I got a string like this:
PREFIX-('STRING WITH SPACES TO REPLACE')
and i need this:
PREFIX-('STRING_WITH_SPACES_TO_REPLACE')
I'm using Notepad++ for the Regex Search and Replace, but i'm shure every other Editor capable of regex replacements can do it to.
I'm using:
PREFIX-\('(.*)(\s)(.*)'\)
for search and
PREFIX-('\1_\3')
for replace
but that replaces only one space from the string.
The regex search feature in Notepad++ is very, very weak. The only way I can see to do this in NPP is to manually select the part of the text you want to work on, then do a standard find/replace with the In selection box checked.
Alternatively, you can run the document through an external script, or you can get a better editor. EditPad Pro has the best regex support I've ever seen in an editor. It's not free, but it's worth paying for. In EPP all I had to do was this:
search: ((?:PREFIX-\('|\G)[^\s']+)\s+
replace: $1_
EDIT: \G matches the position where the previous match ended, or the beginning of the input if there was no previous match. In other words, the first time you apply the regex, \G acts like \A. You can prevent that by adding a negative lookahead, like so:
((?:PREFIX-\('|(?!\A)\G)[^\s']+)\s+
If you want to prevent a match at the very beginning of the text no matter what it starts with, you can move the lookahead outside the group:
(?!\A)((?:PREFIX-\('|\G)[^\s']+)\s+
And, just in case you were wondering, a lookbehind will work just as well as a lookahead:
((?:PREFIX-\('|(?<!\A)\G)[^\s']+)\s+
You have to keep matching from the beggining of the string untill you can match no more.
find /(PREFIX-\('[^\s']*)\s([^']*'\))/
replace $1_$2
like: while (/(PREFIX-\('[^\s']*)\s([^']*'\))/$1_$2/) {}
How about using Replace all for about 20 times? Or until you're sure no string contains more spaces
Due to nature of regex, it's not possible to do this in one step by normal regular expression.
But if I be in your place, I do such replaces in several steps:
find such patterns and mark them with special character
(Like replacing STRING WITH SPACES TO REPLACE with #STRING WITH SPACES TO REPLACE#
Replace #([^#\s]*)\s to #\1_ server times.
Remove markers!
I studied a little the regex tool in Notepad++ because I didn't know their possibilities.
I conclude that they aren't powerful enough to do what you want.
Your are obliged to learn and use a programming language having a real regex capability. There are a number of them. Personnaly, I use Python. It would take 1 mn to do what you want with it
You'd have to run the replace several times for each space but this regex will work
/(?<=PREFIX-\(')([^\s]+)\s+/g
Replace with
\1_ or $1_
See it working at http://refiddle.com/10z
I'm a regexp newbie and I would like to know how to do a search and replace for the following case:
A file contains many occurrences of the following:
L1234_XL3.ext
and also many occurrences of:
L1234_XL3
I only want to find and replace L1234_XL3 occurrences with XL3 without affecting instances that have an extension.
I am using notepad++ to do the regular expression.
If Notepad++ supports lookaheads, you can simply use L1234_XL3(?!\.ext) for the search and "XL3" for the replacement.
EDIT: Looks like it doesn't support lookaheads after all. A pity; you'll have to do it the hard way without regexes (regexen?):
Replace L1234_XL3.ext with QQQ (or any other string that doesn't appear in the file)
Replace L1234_XL3 with XL3.
Replace QQQ with L1234_XL3.ext.
Step 1.
Change all occurences of L1234_XL3.ext to L-1-2-3-4_XL3.ext (for example)
Step 2.
Change all occurences of L1234_XL3 to XL3
Step 3.
Change all occurences of L-1-2-3-4_XL3.ext back to L1234_XL3.ext
As far as I understand Notepad++ 5.4.5 doesn't support positive lookahead