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Question about Regular Expression [xy] vs. x|y

 
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Whats the difference between these two?
Eater of them return the same result.
 
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Aleksandra Semenova wrote:Whats the difference between these two?
Eater of them return the same result.



Regular expressions, like any other language, has many different ways to represent the same thing -- especially for simple expressions, like in this example.

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