objective c - spliting random strings in iphone -

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i have string random numbers,

like "12345678912234"

i want split 4 parts, like,

string1 = 123

string2 = 456

string3 = 7891

string4 = 2234

anybody has idea??

i've tried using nsrange cannot it. may i'm using wrong.

i tried using substringtoindex failed too. please me guys

-(nsstring *)splitstring:(nsstring *)string fromx:(int)x toy:(int)y {     nsrange range = { x, y};     return [string substringwithrange:range]; }           nslog([self splitstring:@"12345678912234" fromx:0 toy:3]);         nslog([self splitstring:@"12345678912234" fromx:3 toy:3]);         nslog([self splitstring:@"12345678912234" fromx:6 toy:4]);         nslog([self splitstring:@"12345678912234" fromx:10 toy:4]);

just tested :) works fine. (just clarify: have named function incorrectly not toy how many characters want take in x).


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