Restrict user to enter only number in UITextField

Published: 25 February 2018
on channel: Swift Tutorials
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In this video, we will learn how to restrict user to allow only numbers to be inputed in UITextField or only numbers to be acceptable by UITextField. You can change the acceptable characters to any type, this video only focusing on to let UITextField to accept numbers and plus sign only.

Source code: https://goo.gl/tWg7WD
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