validateemailaddress() ?

Question

What all cases are covered while using validateemailaddress() ?

Arpit Bohra · Answer

No all the cases will not be covered using that function. 
 You can use the below regex expression to check that 
 "^[a-zA-Z0-9+_.-]+@[a-zA-Z0-9.-]+$"

Mike Schmitt · Answer

This pattern fails a bunch of the test cases I have set up in my Validate Email Addresses expression rule. Two of the most obvious/important failure cases is that it doesn't return "false" for email addresses beginning or ending with extraneous periods ("."). 
 This is the pattern I use in mine, which passes a rather rigorous 18 test cases (though i can't guarantee it passes all realistic ones, just the ones i've been able to think of). 
 regexmatch(
 pattern: "^[A-Z0-9\'\+\&\%_-]+(\.{0,1}[A-Z0-9\'\+\&\%_-]+)*[@]{1}[A-Z0-9.-]*[A-Z0-9-]+[.]{1}[A-Z]{2,6}$",
 searchString: ri!email,
 regexFlags: "si"
) 
 Also note: all of the above test cases also correctly pass using the " validateEmailAddress() " function from People Functions , for what it's worth.

Mike Schmitt · Answer

You would put the message at the parent (interface) level when this rule returns a FALSE value, for instance. 
 But really, it's an expression rule, you can make yours return any value you want - that's a pretty basic change.

peanut · Answer

for validating email address you can use this regex 
 regexmatch(" ^[\w\.\-]+@[\w\.\-]+\.[\w\.]{2,}$ ",ri!input)

validateemailaddress() ?

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