It says zero or even more incidence of whitespace people, accompanied by a comma after which followed by zero or more event of whitespace characters.

Having said that x.replaceAll("s+", ""); will probably be a lot more productive strategy for trimming spaces (if string can have numerous contiguous Areas) because of probably fewer no of replacements thanks the to fact that regex s+ matches one or even more Areas directly and replaces them with empty string.

so "indent" specifies the amount Room to allocate to the string that follows it inside the parameter list.

This is especially essential for members of our Group who will be inexperienced persons, instead of informed about the syntax. Provided that, are you able to edit your reply to incorporate a proof of Whatever you're carrying out and why you believe it is the greatest tactic?

This is often relatively conventional error-checking code for the Python script that accepts command-line arguments.

The main difference lies in the best way it get's handled. In the event you would've a gaggle of (one example is) 3 Areas specifically pursuing each other s+ takes that team and turns The entire it right into a "", even though s would proces each and every space By itself.

cnicutarcnicutar 182k2626 gold badges376376 silver badges398398 bronze badges Increase a remark  

And since your next parameter is vacant string "", there isn't any difference between the output of two circumstances.

How can I avoid working overtime due to young people's not enough scheduling without the need of harming them much too terribly?

anubhavaanubhava 782k6767 gold badges591591 silver badges660660 bronze badges Incorporate a comment  

The width just isn't specified in the structure string, but as a further 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 true justified in the field by default.

If the value is larger than four character positions broad, the sector width expands to support the appropriate amount of people.

So the click here initial if statement translates to: in the event you haven't handed me an argument, I will inform you how you must move me an argument Later on, e.g. you'll see this on-monitor: