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Asked: 2026-05-20T14:36:02+00:00

I am so confused about the regex methods. My requirement is to validate a

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I am so confused about the regex methods. My requirement is to validate a phone number that may contains + symbol in its prefix. Then all the charactors should be numerals only. For this, how can i create a regular expression in objective c.

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  1. Editorial Team

    I wouldn’t say this is a definitive answer but it should give you a start. 

    ^\x2b[0-9]+

    Will match any string that starts with a ‘+’ and then any amount of numbers greater than 0.

    For instance:

    +441312002000  - Full phone number matched.
+4413120c2000  - +4413120 is matched.
++441312002000 - No match 
441312002000   - No Match

    If there are further constraints on length etc then specifiy and I can update the regex. I agree with other poster about using RegexKitLite.

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