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Python Regex - How to Get Positions and Values of Matches

How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too. ...
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Why no generics in Go?

... id types. Type information is preserved and can be "cast" (asserted, actually) back to its concrete type. Get the gritty details here: golang.org/ref/spec#Type_assertions – tbone Aug 25 '13 at 20:50 ...
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Completion handler for UINavigationController “pushViewController:animated”?

...r an alternative – Mike Sprague Dec 16 '15 at 22:22 1 @ZevEisenberg definitely. My answer is dino...
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Display block without 100% width

... gets positioned before the last span. Guess one solution would be to make all child elements in the li float. – Staffan Estberg Oct 3 '12 at 17:01 ...
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MySQL check if a table exists without throwing an exception

...oject in the future. – TRiG Jun 10 '16 at 10:39 add a comment  |  ...
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Delegates in swift?

...interface MyCustomClass: UIViewController <ClassIWantToUseDelegate>, allowing you to init/configure the viewcontroller, as well as call delegate methods on the subviews? Something similar to this? – Mahmud Ahmad Aug 11 '16 at 22:32 ...
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Detect iPad users using jQuery?

..."a" not "o". – Satish Apr 21 '11 at 16:56 4 Thanks Satish - I had intended that section to be for...
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Using the Android Application class to persist data

..., the Application class does not have the same life-cycle (i.e. it is, for all intents and purposes, always instantiated). Does it make sense to store the state information inside of the application class and then reference it from the Activity, or is that generally not the "acceptable" method due ...
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Forward function declarations in a Bash or a Shell script?

... | edited Nov 27 '12 at 16:32 answered Nov 27 '12 at 16:19 ...
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PHP Function with Optional Parameters

...wered Oct 20 '10 at 14:32 Matt BallMatt Ball 323k8585 gold badges599599 silver badges672672 bronze badges ...