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This article introduces the knowledge of "what are the expressions of regular expressions in programming languages?". Many people will encounter this dilemma in the operation of actual cases. next, let the editor lead you to learn how to deal with these situations! I hope you can read it carefully and be able to achieve something!

The result of this expression is April1,2003

Reason: (\ w +) can match April15 completely, but because (\ d +) is followed by (\ d +), in order to match the defined rules, (\ w +) will match April1 and (\ d +) will match 5.

You can change the expression to avoid this situation, such as:

$pattern='/ ([a Musz]) (\ d +), (\ d +) / i'

This is the end of the content of "what do the\ w and\ d of regular expressions in the programming language represent?" Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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