大约有 47,000 项符合查询结果（耗时：0.0460秒） [XML]
What are the differences between json and simplejson Python modules?
...
13 Answers
13
Active
...
Regular expression to match DNS hostname or IP Address?
...
21 Answers
21
Active
...
Regular expression for matching latitude/longitude coordinates?
...
17 Answers
17
Active
...
Pandas index column title or name
...'
In [8]: df.index.name = 'foo'
In [9]: df.index.name
Out[9]: 'foo'
In [10]: df
Out[10]:
Column 1
foo
Apples 1
Oranges 2
Puppies 3
Ducks 4
share
|
...
How do I include negative decimal numbers in this regular expression?
...ne with positive values, but I want it to also allow negative values e.g. -10, -125.5 etc.
14 Answers
...
Downloading jQuery UI CSS from Google's CDN
...
The Google AJAX Libraries API, which includes jQuery UI (currently v1.10.3), also includes popular themes as per the jQuery UI blog:
Google Ajax Libraries API (CDN)
Uncompressed: http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/jquery-ui.js
Compressed: http://ajax.googleapis.com/ajax/l...
Regular expression to match numbers with or without commas and decimals in text
...
10 Answers
10
Active
...
Simple regular expression for a decimal with a precision of 2
...
17 Answers
17
Active
...
How to output only captured groups with sed?
...e output as well as specifying what you do want.
string='This is a sample 123 text and some 987 numbers'
echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'
This says:
don't default to printing each line (-n)
exclude zero or more non-digits
i...