How to write regular expression validator in multiple line

Simon Chu
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March 27, 2024

I have texts in multiple lines, for example:

2023.11.12_16.37_AAA_BBBB

2023.11.12_16.37_AAA_BBBB

I am using the regex pattern "\d{4}.\d{2}.\d{2}\d.*?\w.*$" to check the format.

However, it only works for one line. Can anyone help me modify it to work with multiple lines?

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Aron Gombas _Midori_
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March 28, 2024

It slightly depends on the implementation you use, but generally in Java adding the "/s" modifier is the answer.

See: https://stackoverflow.com/a/159139

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