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The first regex will match just one whitespace character. The 2nd regex will reluctantly match one or more whitespace figures. For many reasons, both of these regexes are quite comparable, other than in the 2nd case, the regex can match extra of your string, if it prevents the regex match from failing. from
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@Ben This is an example of outter quotations, discover that /S does absolutely nothing in that problem Try out it pastebin.com/Uncooked.
Get paid badges by improving or inquiring issues in Staging Ground. See new badges What does %s and %d mean in printf in the C language? [shut]
In certain code that I have to maintain, I have witnessed a structure specifier %*s . Can any one inform me what That is and why it is actually utilized?
The real difference lies in the way it get's dealt with. Should you would've a gaggle of (as an example) 3 Areas instantly subsequent each other s+ can take that team and turns The complete it into a "", although s would proces just about every House By itself.
The %s token permits me to insert (and probably format) a string. Notice which the %s token is changed by no matter what I pass to the string once the % image.
The 1st one particular matches an individual whitespace, whereas the 2nd a single matches a person or a lot of whitespaces. They are the so-referred to as frequent expression quantifiers, and so they accomplish matches like this (taken with the documentation):
If the worth to get output is under four character positions extensive, the value is right justified in the sector by default.
and so these documents are certainly not similar to C code information. Notice that C information may be inlined with assembly Directions.
This executes SomeCommand.exe redirecting regular output to some temp file and normal error to more info exactly the same spot:
code that should continue to pass through a pre-processor. That means it may have #contain and #determine amongst other macros. It could also be composed as .sx.
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An assembly language is actually a small-level programming language for desktops, microprocessors, microcontrollers, together with other programmable devices through which Just about every assertion corresponds to a single machine language instruction.
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The PEP won't say "supplanted" and in no Component of the PEP does it say the % operator is deprecated (still it does say other items are deprecated down The underside). You could prefer str.format and that is fine, but until eventually there is a PEP declaring it's deprecated there isn't any perception in proclaiming it can be when it isn't.