iOS development get Chinese characters and Chinese characters in a string

#pragma mark-Gets the Chinese text in a string

+ (nsarray *) Getastringofchineseword: (nsstring *) string

{

if (string = = Nil | | [String isequal:@ "])

{

return nil;

}

nsmutablearray *arr = [[nsmutablearray alloc]init];

for (int i=0; i<[string length]; i++)

{

int a = [string characteratindex: i];

if (a < 0x9fff && a > 0x4e00)

{

[Arr addobject: [String substringwithrange:nsmakerange(i, 1)]];

}

}

return arr;

}

#pragma mark-Get Chinese and Chinese characters in a string

+ (nsarray *) getastringofchinesecharacters: (nsstring *) string

{

if (string = = Nil | | [String isequal:@ "])

{

return nil;

}

nsmutablearray *arr = [[nsmutablearray alloc]init];

for (int i=0; i<string. length; i++)

{

nsrange range = nsmakerange(i, 1);

nsstring *substr = [string substringwithrange: Range];

Const char *c = [subStr utf8string];

if (strlen(c) = =3)

{

[Arr addobject: subStr];

}

}

return arr;

}

iOS development get Chinese characters and Chinese characters in a string