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I wanted to validate email addresses and I found a solution in this forum, however, I used the same solution on two forms.  The first form works and the second form says invalid email even though I am using the correct format.

 

This is what I did.  On the email field, double-click, then Control Settings - Single Line Textbox, click validation, then clicked yes for use regular expression, then in the regular expression box, I have the following.  7a-zA-Z0-9._%+-]+@+a-zA-Z0-9.-]+..a-zA-Z]{2,4} 

 

I also attached screenshots.  I don't understand why it works on one form and doesn't in another.  Is there something I am missing?  Thank you.

What is the email address you are testing?

Try copying/pasting from the expresstion that works, but paste it on notepad and then copy it again.

Thank you.  It works.

Great!, please mark the answer as correct

Hi Fernando,

I've tried more than ten times but it's not working, I copy and paste on notepad, type the exertion, :-(

do you have any suggestion for me?

Thanks

@bf_parvaz ...use below expression:



 



^[A-Za-z0-9](([_.-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([.-]?[a-zA-Z0-9]+)*).([A-Za-z]{2,})$

Thanks mate!

Hi Kunalpatel, Would you please advise how I should read the expression?  I need to create input mask for my other fields like phone number , website, etc



I tried



 ###.###.####



^[0-9]{3}.[0-9]{3}.[0-9]{4}$



Didn't work! :(



@kunalpatel

@SherryH .....I usually refer this...RegEx Library.....and use Find Expression search

@SherryH Try just:



[0-9]{3}.[0-9]{3}.[0-9]{4}


and it will work.

Thank you very much ! That's what I was looking for!

hi 



I have a problem trying to set a regular expression in text box field, What I'm trying to do is validate the format like this XXXX-XXXX-XXXX, and I'm using this Regex  [A-Z0-9]{4}-[A-Z0-9]{4}-[A-Z0-9]{4}  but seems to be does not working any of my tries 



 



any help will be very wellcome 



 

Hi.

Instead of [A-Z0-9]{4}, use lower case [a-z0-9]{4}
Thank you SimonMuntz! I appreciate it.

Nintex Email Validation Control Settings - Single Line Textbox --> Validation --> Use a regular expression : Yes



Regular Expression :     .+@.+(.).+ 



Regular expression error message : Enter a valid email address



Code .+@.+(.).+

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