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What is the difference between d+?\/ and d+\/ in regex?

I am studying a project, which I saw this unknown code.

I did a test and used an example of this dddddddddedd/, seems both regex take a match

dd/

so what is the function to add add ? after +???

phuclv
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Rickyforcode
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  • Show us a [fiddle](https://regex101.com) link, please. In addition to the regex, typical example input which does or doesn't match would help us to better understand your Use Case. – J_H Jul 26 '23 at 03:06
  • duplicates: [What does `+?` mean in regex?](https://stackoverflow.com/q/32792851/995714), [Question marks in regular expressions](https://stackoverflow.com/q/5583579/995714), [In a regex, what changes when you add a question mark to `.+`](https://stackoverflow.com/q/25528452/995714) – phuclv Jul 26 '23 at 03:13

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