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Why does below command highlight e as well with digits?
grep '[[:xdigit:]]' search.txt
This is intended, as it searches for hexadecimal digits.
The man-page states:
Related
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Closed 3 days ago.
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How to change comma to period when typing double number in TextField?
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I need to capture cpu usage data from this string, in this cast cpu usage is 1.55. Values between - and %
cpu<-c("CPU Usage: u814.13 s13.33 cu0 cs0 - 1.55% CPU load")
I have tried this:
as.numeric(gsub("^.*- ([0-9]+).*$", "\\1", cpu))
It is giving 1.
Any ideas what I'm doing wrong here?
([\d\.]+)% CPU.*$
You didn't include the decimal dot in the square brackets
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I think I saw something on using this to truncate test as a filter, but I've seen to no idea how to use it. Using as xx|do_trucate(20) gives the following:
TemplateAssertionError: no filter named 'do_truncate'
What is the correct usage?
Doh, from the spec I saw
do_trucate
http://code.nabla.net/doc/jinja2/api/jinja2/jinja2.filters.html
But in reality, its just truncate
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I have a program with regex as:
"\\s*(\\d{1,5})?\\s*(?:<(?<pri>\\d{1,3})>)"
I need to test the matching pattern thus I am trying a corresponding string which matches the expression.
can you provide an example of string that matches the above regex?
23123<123>
123 <1>
123 <123>
123<12>
<123>
<1>
Something of this sort.See demo.
https://regex101.com/r/sJ9gM7/75
<space>(0 or more)<integer>(1 to 5 may or may not be there)<space>(0 or more)<(Symbol <)<integer>(1 to 3)>(symbol >)
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Closed 8 years ago.
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I am doing some test with Find in Notepad++ using regex. Here is my problem that I can't figure out why:
My text is:
abc/xyz/p234/s-sdf
The following regex matches well:
[a-z]+/[a-z]+(/p[0-9]+)/s-[a-z]+
But why the following regex (with an added '?') does not match anymore:
[a-z]+/[a-z]+(/p[0-9]+)?/s-[a-z]+
Am I right that in the last regex, the '?' means that (/p[0-9]+) can appear zero or one time?