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This article mainly introduces how to match regular expressions with 5 to 10 unrepeated numbers, which has a certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let the editor take you to know it.

A rule such as\ d {5pm 10} can be used for 5 to 10 digits with duplicates.

I thought about the 5-10 digits without repetition, so I had to look it up on the Internet.

One version is not bad, but the RegexBuddy test passed anyway.

The code is as follows:

^ (?!\ dstones? (\ d)\ dcats?\ 1)\ d {5pr 10} $

For (?!!. (.) . I haven't studied this form thoroughly yet. I really want to study it carefully when I have time.

The last example of php:

The code is as follows:

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