uieditfield validation to allow specific character and match some specifc character
<p>How to check to this string</p>

<pre><code>for example:
1=https://wwww.example.com or may be .net
2=https://example.com
3=https://example.com/


similar with

http:
</code></pre>

<p>if user enter only example.system give error if above format will come.android allow to access our resources.if format is correct and  user want to enter more than above format character then android does not allow to enter in uiedittextfield</p>
