Adding validation criteria to validate the emails and making it case insensitive

[Kal_Lam]

Welcome to the community, @murtiza! We have some workarounds in the community which should help you solve your issue:

Regex failed to work in form/KoBo converting comma into space

@mkmortera, maybe you could do it as outlined in the image shared below using this regex code regex(., ‘^([\W\d\D]+[@][\D]+[.][\D]{3}[.][\D]{2})+$’): In the survey tab of your xlsform: [Image 1] Data as seen in the server: [Image 2] Data as seen when downloading in XLS format: [Image 3] Reference xlsform: Email Regex.xlsx (8.6 KB)

And this one too …

Validation Condition for Email Id

Welcome back to the community @msupriya! You could do the same as outlined in the image below: In the survey tab of your xlsform: [Image 0.0] Data entry screen as seen in Enketo: when a wrong entry is made [Image 0.1] Data entry screen as seen in Enketo: when a correct entry is made [Image 0.2] Reference xlsform: Email Regex.xlsx (8.6 KB)

And this one too …

Email field validation during data entry!

Maybe you could do it as outlined in the image below: In the survey tab of your xlsform: [Image 0] Data entry screen as seen in Enketo: when a wrong entry is made [Image 1] Data entry screen as seen in Enketo: when a correct entry is made [Image 2] Reference xlsform: Email Regex.xlsx (8.7 KB) To understand more on Regex, you could have a look at our support article Restricting Text Responses With Regular Expressions which has plenty of examples that could be helpful for your day to day wor…

We also have a support article Restricting Text Responses With Regular Expressions on regex which should help you better understand how to build a regex code by yourself.