How to Validation phone number and -

Question

For the validation for the phone number and included -

@\"^\\+(?:[0-9] ?){6,14}[0-9]$\"

I have to validate phone number with -

example 333-333-3333 (

Answer 1

Obj-C has NSPredicate for this. As I remember, you can use code like this for your task:

NSPredicate * Pred = [NSPredicate predicateWithFormat:@"SELF MATCHES '^\+(?:[0-9] ?){6,14}[0-9]$'"];    
bool ifYes = [Pred evaluateWithObject:_yourNSString]];

for more detail look in Apple docs.

If you want to found proper reg.exp., please use some libs like: http://regexlib.com/DisplayPatterns.aspx?cattabindex=6&categoryId=7