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No-Code App Building Masterclass Is Now Live
We are excited to announce the release of our first-ever Masterclass for Backendless’ UI Builder. With this free course, you will learn how to take your no-code app to the next level!

How to Validate User Properties With Regular Expressions

  When working with data, particularly user-submitted data, you often need to validate it. For example, if we are creating a database in which there is a “site” field and corresponding IP address field, it would be very useful to ensure that the data written to these fields is in the appropriate format.