It claims zero or even more incidence of whitespace figures, accompanied by a comma after which followed by zero or maybe more incidence of whitespace people.
Those people two replaceAll calls will usually produce the same result, no matter what x is. However, it's important to notice that the two standard expressions usually are not the same:
so "indent" specifies just how much space to allocate with the string that follows it from the parameter checklist.
5 @powersource97, %.*s means that you are looking at the precision worth from an argument, and precision is the most variety of characters to get printed, and %*s you might be reading the width price from an argument, that is the minimum amount amount os people to become printed.
This is often reasonably standard error-examining code for a Python script that accepts command-line arguments.
The 1st regex will match one whitespace character. The second regex will reluctantly match a number of whitespace people. For some purposes, both of these regexes are very comparable, except in the second circumstance, the regex can match more of the string, if it helps prevent the regex match from failing. from
cnicutarcnicutar 182k2626 gold badges376376 silver badges398398 bronze badges Add a remark
And because your second parameter is empty string "", there is absolutely no distinction between the output of two conditions.
How can I prevent Performing time beyond regulation resulting from teens's deficiency of setting up devoid of harming them way too badly?
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The width is not laid out in the structure string, but as an extra integer value argument previous the argument that needs to be formatted.
If the worth being output is under four character positions extensive, the value is correct justified in the field by default.
If the value is larger than four character positions vast, the sphere width expands read more to support the appropriate amount of people.
So the primary if statement translates to: should you haven't handed me an argument, I'll inform you how it is best to move me an argument Sooner or later, e.g. you'll see this on-screen: