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Regular expression to find URLs within a string

Does anyone know of a regular expression I could use to find URLs within a string? I've found a lot of regular expressions on Google for determining if an entire string is a URL but I need to be able to search an entire string for URLs. For example, I would like to be able to find www.google.com ...
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Convert char to int in C and C++

...test C standard. Though of course you should use the char type when doing string handling, because the index of the classic ASCII table fits in 1 byte. You could however do string handling with regular ints as well, although there is no practical reason in the real world why you would ever want to ...
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How to get the input from the Tkinter Text Widget?

...the very first character). END is an imported constant which is set to the string "end". The END part means to read until the end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan O...
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Why is char[] preferred over String for passwords?

...rd() (returns char[] ) method instead of the usual getText() (returns String ) method. Similarly, I have come across a suggestion not to use String to handle passwords. ...
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Java executors: how to be notified, without blocking, when a task completes?

...blic class GetTaskNotificationWithoutBlocking { public static void main(String... argv) throws Exception { ExampleService svc = new ExampleService(); GetTaskNotificationWithoutBlocking listener = new GetTaskNotificationWithoutBlocking(); CompletableFuture<String> f = Completable...
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Bitwise operation and usage

...hexadecimal colours. For example, here's a Python function that accepts a String like #FF09BE and returns a tuple of its Red, Green and Blue values. def hexToRgb(value): # Convert string to hexadecimal number (base 16) num = (int(value.lstrip("#"), 16)) # Shift 16 bits to the right, a...
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Is Python strongly typed?

...typing means that the type of a value doesn't change in unexpected ways. A string containing only digits doesn't magically become a number, as may happen in Perl. Every change of type requires an explicit conversion. Dynamic typing means that runtime objects (values) have a type, as opposed to stati...
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Remove HTML tags from a String

Is there a good way to remove HTML from a Java string? A simple regex like 33 Answers ...
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What is the best way to remove accents (normalize) in a Python unicode string?

I have a Unicode string in Python, and I would like to remove all the accents (diacritics). 8 Answers ...
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Why are C character literals ints instead of chars?

...nerating code to get an 'A' into the register may prefer to waste a little extra memory and encode the value as 0 'A' or 'A' 0 - depending on endianness, and also ensuring it is aligned properly (i.e. not at an odd memory address). My guess is that C's simply carried this level of CPU-centric behav...