If you have a long list of emails, you can evaluate whether these emails are even real or not, using the ISEMAIL function. Suppose we have a list of emails in cell range A2:A5 in a given spreadsheet.

You might often want to validate parameters in your methods to ensure they have valid data. Most importantly, you might often want to protect your publicly exposed API methods by ensuring that the ...

If you want to turn on or off File validation in Word, Excel, and PowerPoint, here is how you can do that. It is possible to enable or disable file validation in those Office apps with the help of the ...