Cell phone number in the middle with an asterisk

. h file

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2. <span style= "FONT-SIZE:18PX;" > /**

4. * Turn into an asterisk tool

6.  */   

8. @interface Asterisktool:nsobject

10. //Turn the phone number 第4-7位 into an asterisk   

12. + (nsstring *) Phonenumtoasterisk: (nsstring*) Phonenum;

14. //Turn the phone number 第5-14位 into an asterisk   

16. + (nsstring *) Idcardtoasterisk: (nsstring *) Idcardnum;

18. @end   

. m file

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2. <span style= "FONT-SIZE:18PX;" > @implementation Asterisktool

4. + (nsstring *) Phonenumtoasterisk: (nsstring*) Phonenum

6. {

8. return [phonenum stringbyreplacingcharactersinrange: Nsmakerange (3,4   ) withstring:@ "* * *"];

10. }

12. + (nsstring*) Idcardtoasterisk: (nsstring *) Idcardnum

14. {

16. return [idcardnum stringbyreplacingcharactersinrange: Nsmakerange (4,   10) withstring:@ "**********"];

18. }

22. @end

This was replaced with a nsstring,

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Cell phone number in the middle with an asterisk