I want validation on textbox for phone number
I want validation on text box for phone number which allowed

Allowed chars

   space + ( ) - 0-9

 ( or + can be first char after trim Like (+61) 312 405 786 or +61 312 405 786

length min 8 max 16 

Please help
Thanks
I want validation on textbox for phone number
===

I want validation on text box for phone number which allowed

Allowed chars

   space + ( ) - 0-9

 ( or + can be first char after trim Like (+61) 312 405 786 or +61 312 405 786

length min 8 max 16 

Please help
Thanks