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Article Written By:
Johann Dowa

Open Source iOS String And Number Validation Library

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A few months ago I mentioned a nice custom text field component with built in validity indicators.

Here’s a string and number validation library from Adam Waite called ALPValidation.

ALPValidation provides a number of built in validators, and easy configuration of the different validators along with a nice way to track changes in validation state so you can adjust an input view based on those changes.

The validators currently built into ALPValidation according to the readme include:

– Presence validation
– Minimum length validation
– Maximum length validation
– Range validation (string character length and numeric)
– Equality validation (for password confirmation and such)
– Regular expression match validation
– Email address validation
– Custom block validation
– Remote validation (remote web service validation)

You can find ALPValidator on Github here.

A nice string validation library.


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