All Questions
44
questions
3
votes
3
answers
663
views
Bash [[ test =~ regex ]] vs perl command result
Is the bash operator =~ equivalent to a perl invocation?
filename="test-33.csv"
regex="([^.]+)(-\d{1,5})(\.csv)"
With bash test:
if [[ "$filename" =~ $regex ]]; then ...
- 133
1
vote
1
answer
454
views
Combine two regex formulas into one (using notepad++)
Si cum îi semănau ! Fraţi buni, puindu-si, ca si el, tot sufletul
în ceea ce făceau, muncind din greu, luptind din greu, jert-
findu-se, fără nici un gînd de răsplată.
Simțind în tot ceasul,
...
- 866
2
votes
4
answers
342
views
REGEX Find the string between 2 strings
In the example below, I want to use regex as to find the html tag <sony> between other 2 lines.
<table width="697" border="0">
<tr>
<td&...
- 119
0
votes
1
answer
54
views
regexp in perl fails
Why is this failing?
WGroleau@MBP Chords % perl -p -i -e '(Trinidad|Donoso|Clifton|Frincke|Little|Church|Antonio) XYZ :\1\t:g;' *txt
Bareword found where operator expected at -e line 1, near ") ...
- 824
1
vote
1
answer
57
views
perl extended regex pattern with (condition) behaves wrong, what I do false?
I use perl --version
perl 5, version 36, subversion 0 (v5.36.0) built for i686-linux-gnu-thread-multi-64int (with 52 registered patches
I have used following test lines with these results:
perl -we '$...
- 161
0
votes
1
answer
415
views
Perl regex unable to match using hex or octal
I need to use Perl to work with a data file that contains a lot of unprintable characters, i.e. not within the displayable character range in the ASCII table. I tried writing regexes using octal ...
- 1
0
votes
1
answer
218
views
quote mark (U+0027) in perl substitution
I need to put two spaces between sentences in a large number of text files.
A sentence ending is defined as period, exclamation, or question, maybe a close-quote, and then a space. Tabs and line ...
- 824
0
votes
1
answer
39
views
Perl RE global matching is not working /.*(11).*/g
I have a file containing this single line:
111112111122113
I want to match all two element sequences of 1 in all occurrences.
But when I try this
$ perl -lne 'print $1 if /.*(11).*/g' u
I get only ...
0
votes
0
answers
161
views
Perl, modifiers /m /s/ /ms
I have seen in Larry's Wall book programming Perl 3rd edition what do the modifiers
/s
/m
/ms
in some example with \n . Now I cannot find the exact page.
Specifically the example showed that only the ...
- 161
0
votes
1
answer
277
views
Why does this regexp — which attempts to match characters between “@” characters — fail?
I need to extract the second field of selected lines in a GEDCOM file. These lines are all of the following format:
% grep @ /tmp/XYZ | tail -5
0 @X701@ OBJE
0 @X702@ OBJE
0 @X750@ OBJE
0 @X765@ OBJE
...
- 824
0
votes
1
answer
52
views
a very simple Perl script needed
I have the following text file G.txt.
I need a perl command
perl -e ...
that would extract all negative entries ending with Kč, so that first line it will be
-107,60
and last will be -63,00
I have ...
1
vote
2
answers
996
views
Regex to substitute character with numbers around it in filenames with rename utility (perl based)
I would like to rename files that have the following format:
somethingblabla15T06:58_31+0000somethingblabla.bla
THe new name should be
somethingblabla15T06:58:31+0000somethingblabla.bla
So the _ ...
0
votes
1
answer
240
views
How to add prefix from row at the beginning few next lines in Notepad++?
I would like to use a line as a prefix for a few more lines. For an example, please consider the situation where I have these lines:
hostname-junek-1
;ge-1/0/1
;ge-1/0/2
;ge-1/0/5
;ge-1/1/27
;ge-1/1/...
- 3
1
vote
1
answer
382
views
replace sub-string with last special character, being (3rd part) of comma separated string
I have a string with comma separated values, like:
742108,SOME-STRING_A_-BLAHBLAH_1-4MP0RTTYE,SOME-STRING_A_-BLAHBLAH_1-4MP0-,,,
As you can see, the 3rd comma separated value has sometimes special ...
- 111
0
votes
1
answer
525
views
Named capture groups from command line
I've come up with the following regular expression:
\[release(\s+(?<release_type>.*))?\]\n+(?<release_notes>.*)
The idea is to parse a commit message for several params:
[release minor]
...
- 101