Perl validating numbers invalidating session in spring
Schematron is a useful and accessible supplement to other schema languages.The open-source XSLT implementation is based around a core framework which is open for extension and customisation.
However, one problem with the guestbook program is that it didn't do any error-checking or specialized processing.You might not want to get blank forms, or you may want to require certain fields to be filled out.You might also want to write a quiz or questionnaire, and have your program take different actions depending on the answers.Expressing validation rules using patterns is often easier than defining the same rule using a content model.Tree patterns are collected together to form a Schematron schema.
This should be combined with good regex [email protected] Q I disagree. After reading through these answers, it looks like there wasn't a straightforward regular expression that can parse through a bunch of text and pull out phone numbers in any format (including international with and without the plus sign).