Validate CNPJ countries Latin America

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I’m doing a CNPJ validation of Latin American countries. I don’t really understand the Regex and would like help to validate the following rule:

3 digits, 6 Numbers (YYMMDD), 3 digits (like P&G 851223B24)

The field has to accept 3 digits + 6 numbers + 3 digits and I’m doing with jquery like this:

 $('.cnpj-mask_3061').mask('AAA000000aaa', defOptions);

Note: Mexico did not work.

regex
  • 1

    You need to apply a mask or validate the information?

  • The method mask() is not suitable for validation. It is merely to create a formatting, a mask.

1 answer

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The mask you used (AAA000000aaa) makes the first and last 3 characters just letters, not alphanumerics and symbols too.

An approximation of the solution would be the expression:

/^.{3,4}\d{6}.{3}$/

Where ^.{3,4} defines that the value should start with 3 or 4 any characters, \d{6} sets that next will be 6 numbers and .{3}$ defines that the value must end with any 3 characters.

Example working on Jsbin.

Since I found nothing but wikipedia text about the correct formats I cannot guarantee you that this validation is 100% correct, I suggest researching more about the formats and also studying about Regular Expressions, because not all plugins and mask for jQuery are as flexible as is made necessary in your case.

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