It claims zero or maybe more occurrence of whitespace characters, accompanied by a comma after which you can accompanied by zero or maybe more prevalence of whitespace figures.
Those two replaceAll phone calls will often produce the same consequence, irrespective of what x is. Nevertheless, it's important to notice that the two standard expressions aren't precisely the same:
so "indent" specifies the amount of Room to allocate for your string that follows it within the parameter record.
This is especially essential for members of our Group who will be rookies, instead of informed about the syntax. On condition that, is it possible to edit your reply to include an evidence of Whatever you're undertaking and why you believe it is the greatest technique?
The explanation driving the code if I am using %s as an alternative to %c in my printf portion on the code eighty two
The difference lies in the way it get's taken care of. For those who would've a bunch of (as an example) 3 Areas right subsequent one another s+ usually takes that group and turns the whole it right into a read more "", although s would proces each and every space By itself.
And since your next parameter is vacant string "", there is no difference between the output of two instances.
Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges three 15 Be aware that this type of string interpolation is deprecated in favor of the more potent str.structure strategy.
The width isn't 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 below 4 character positions huge, the value is correct justified in the field by default.
Like that it could stand on its own. Delivering an case in point which was equivalent to the example within the issue would also be a in addition.
The subsequent if statement checks to find out In the event the 'databases-title' you passed to the script basically exists to the filesystem. If not, you will get a concept similar to this: