I have a form field which is not required, but when it is submitted with
data, I want the data to be validated. The problem is, I get the validator
triggering when the form is submitted with no value in that field. I want
it to wait until there's data in there to validate it and ignore it if
blank. I thought I could get this behavior with required=False and then
using requires= validators, but it is failing the validation every time
when there's no data in the field. How do you get it to validate data
that's present and ignore blanks?
The field in question is in the db.py as follows:
Field('special_code1', 'string', length=200, required=False, label='Special
Code 1',
requires=[IS_LENGTH(maxsize=200),
IS_MATCH('^[a-zA-Z0-9\s\#\.\$\-\_]+$',
error_message='Character
Not Allowed.')]
),
There are no other controllers acting on this data, and no combination of
anything I try above gets me what I want.
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