The 's' replaces just one Room match at any given time even so the 's+' replaces the whole Area sequence without delay with the second parameter.
However x.replaceAll("s+", ""); is going to be extra effective method of trimming spaces (if string can have numerous contiguous Areas) because of probably less no of replacements thanks the to proven fact that regex s+ matches 1 or maybe more Areas at once and replaces them with vacant string.
so "indent" specifies how much Room to allocate for that string that follows it within the parameter record.
This is especially vital for associates of our community who will be novices, and not familiar with the syntax. Provided that, is it possible to edit your answer to include a proof of That which you're performing and why you suspect it is the best strategy?
This is certainly quite standard error-checking code for any Python script that accepts command-line arguments.
The primary difference lies in the way in which it get's managed. Should you might have a bunch of (for instance) three Areas specifically following each other s+ will take that team and turns The full it right into a "", when s would proces each House on its get more info own.
The %s token permits me to insert (and potentially format) a string. See that the %s token is changed by regardless of what I move to your string after the % symbol.
Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges three 15 Notice that this sort of string interpolation is deprecated in favor of the more powerful str.structure technique.
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Firstly you should realize that ultimate output of each the statements will likely be similar i.e. to eliminate all of the Areas from offered string.
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