iOS之字符串截取、iOS 字符串替换、iOS字符串分隔、iOS之字符串匹配、截取字符串、匹配字符串、分隔字符串
1.iOS 字符串截取
//1.ios截取字符串
NSString *string =@"123456d890";
NSString *str1 = [string substringToIndex:5];//截取掉下标5之前的字符串
NSLog(@"截取的值为:%@",str1);
NSString *str2 = [string substringFromIndex:3];//截取掉下标3之后的字符串
NSLog(@"截取的值为:%@",str2);
2.iOS 字符串替换
//ios 替换某个字符
NSString *strUrl = [urlString stringByReplacingOccurrencesOfString:@";" withString:@"."];
//ios 替换某段字符
NSString *idCard = [Str stringByReplacingCharactersInRange:NSMakeRange(2, 6) withString:@"XXXXXXXXX"];
3.iOS 字符串分隔
//3.分隔字符串
NSString *string =@"1234567";
NSArray *array = [string componentsSeparatedByString:@&#