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我需要经常表达以下立场:

原标题：I need a regular expression for the following [closed]

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Closed 11 years ago.

我需要经常表达以下描述形式:

NN-NNNN where N is a single digit between 0 and 9

And the - is always there. Thanks in Advance

最佳回答

这将是:

^dd-dddd$

或

^d{2}-d{4}$

当然,这意味着,只有核查和核查机制对此有所贡献。

问题回答

与此类似:

^[0-9]{2}-[0-9]{4}$

[0-9][0-9]-[0-9][0-9][0-9][0-9]

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