1 00:00:03,050 --> 00:00:12,220 Find strength function within the index of string waves the first winds of the substring sub is found. 2 00:00:12,350 --> 00:00:15,890 Example in order to check a specific character in a string. 3 00:00:15,890 --> 00:00:17,990 This is user code would find. 4 00:00:18,350 --> 00:00:24,110 We will get to in order to check from index to two end of string. 5 00:00:24,110 --> 00:00:33,290 This is a used car lot and fine s and two we will get three check from index a 212. 6 00:00:33,350 --> 00:00:42,590 This is user could not find as it ended well we will get nine in order to check the special character 7 00:00:43,220 --> 00:00:50,920 which is not found in a string not far fine find function is like that index function but differ. 8 00:00:50,930 --> 00:00:54,070 In the next example this is user core. 9 00:00:56,200 --> 00:01:00,750 Dot find the negative one. 10 00:01:00,920 --> 00:01:04,900 This is use a car dot index D. 11 00:01:04,940 --> 00:01:06,670 We will get value. 12 00:01:06,690 --> 00:01:08,860 Error. 13 00:01:09,830 --> 00:01:20,240 We will try our lines scoots in the bitter notebook in order to check specific character in a string. 14 00:01:20,250 --> 00:01:33,730 This is user core not find I shift into who would get to in order to check from index to two end of 15 00:01:33,730 --> 00:01:34,330 the string. 16 00:01:34,660 --> 00:01:37,840 This is user called to find is to 17 00:01:41,080 --> 00:01:47,820 three in order to check from index 8 so twelve. 18 00:01:48,040 --> 00:01:53,730 This is user called Good find s from character to character. 19 00:01:56,830 --> 00:02:04,280 We will get nine in order to check special character which is not found any strangely good fine. 20 00:02:04,360 --> 00:02:11,540 Function is like an index function but different in next. 21 00:02:11,580 --> 00:02:20,860 Example this is user code that finally will give us minus 1. 22 00:02:20,870 --> 00:02:24,570 This is because we don't have these characters. 23 00:02:25,860 --> 00:02:29,890 For index function this is user core not index. 24 00:02:29,890 --> 00:02:30,110 D 25 00:02:34,690 --> 00:02:36,060 We will get value. 26 00:02:36,110 --> 00:02:39,670 Error as we explained before. 27 00:02:40,360 --> 00:02:42,880 Thank you for watching. 28 00:02:42,880 --> 00:02:46,030 Hope you understand this lecture. 29 00:02:46,030 --> 00:02:47,840 See you next lecture.