regex - Checking number patterns in Python -

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How can I check in Python that a number is created in this method: 

  1. 57.00057 2. 611.000000611 3. 38 9.00003890000389

is a number, then a certain number of zero after dot and then number again after this dot (as in example 3 in) Could. DIF Test (number): Return boole (re-match (r '^ (\, \ "\"); 

  D +). (0 + 1) + $ ', number))

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