弄了一个substring比较,是这样:
if ([mystring rangeOfString:string options:NSCaseInsensitiveSearch].location == NSNotFound) {
return NO;
} else {
return YES;
}
但是当比较Read和READ的时候就没结果
弄了一个substring比较,是这样:
if ([mystring rangeOfString:string options:NSCaseInsensitiveSearch].location == NSNotFound) {
return NO;
} else {
return YES;
}
但是当比较Read和READ的时候就没结果