iOS Regular Expression for Verifying Mobile Phone Number

In this article, we share the code fragment of iOS regular verification mobile phone number for your reference. The specific contents are as follows

// Judge whether the mobile phone number format is correct 
+ (BOOL)valiMobile:(NSString *)mobile
{
  mobile = [mobile stringByReplacingOccurrencesOfString:@" "withString:@""];
  if (mobile.length != 11)
  {
    return NO;
  }else{
    /**
     *  Moving segment regular expression 
     */
    NSString *CM_NUM = @"^((13[4-9])|(147)|(15[0-2,7-9])|(178)|(18[2-4,7-8]))\\d{8}|(1705)\\d{7}$";
    /**
     *  Junction segment regular expression 
     */
    NSString *CU_NUM = @"^((13[0-2])|(145)|(15[5-6])|(176)|(18[5,6]))\\d{8}|(1709)\\d{7}$";
    /**
     *  Regular expression of electrical signal segment 
     */
    NSString *CT_NUM = @"^((133)|(153)|(177)|(18[0,1,9]))\\d{8}$";
    NSPredicate *pred1 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", CM_NUM];
    BOOL isMatch1 = [pred1 evaluateWithObject:mobile];
    NSPredicate *pred2 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", CU_NUM];
    BOOL isMatch2 = [pred2 evaluateWithObject:mobile];
    NSPredicate *pred3 = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", CT_NUM];
    BOOL isMatch3 = [pred3 evaluateWithObject:mobile];
 
    if (isMatch1 || isMatch2 || isMatch3) {
      return YES;
    }else{
      return NO;
    }
  }
}