判定是不是手机号码

-(BOOL)regexTel

{

    if ( self == nil || [self length] == 0 )

    {

        return NO;

    }

    NSString *regex = @"^((13[0-9])|(14[0-9])|(15[0-9])|(17[6-8])|(1705)|(1709)|(18[0-9]))\\d{8}$";

    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];

    return [pred evaluateWithObject:self];

}

 self:NSString

判定是不是手机号码

原文：http://www.cnblogs.com/PJXWang/p/5948152.html