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Home/ Questions/Q 6199485
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Editorial Team
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Editorial Team
Asked: May 24, 20262026-05-24T04:11:50+00:00 2026-05-24T04:11:50+00:00

if ( ([mobileNumber.text hasPrefix:@8] == NO) || ([mobileNumber.text hasPrefix:@9] == NO) ) { }

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if ( ([mobileNumber.text hasPrefix:@"8"] == NO)  ||
    ([mobileNumber.text hasPrefix:@"9"] == NO) ) {
}

I wanna test if mobileNumber has prefix of 8 or 9. What am I doing wrong here?

ANSWER: Silly me, it should be AND condition instead of OR.

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  1. Editorial Team
    Editorial Team
    2026-05-24T04:11:51+00:00Added an answer on May 24, 2026 at 4:11 am

    Should be

    if(([mobileNumber.text hasPrefix:@"8"] == NO) && ([mobileNumber.text hasPrefix:@"9"] == NO)) {
      /* Mobile number does NOT have an 8 or 9 in the beginning */
    }
    

    My comment above is to make sure there isn’t a ( in front of the mobile number.

    EDIT:
    Did not quite understand what you were after.

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