Поиск в строке
С помощью метода IndexOf мы можем определить индекс первого вхождения отдельного символа или подстроки в строке.
Подобным образом действует метод LastIndexOf, только находит индекс последнего вхождения символа или подстроки в строку.
BY Библиотека задач по C# | тесты, код, задания
Telegram is a cloud-based instant messaging service that has been making rounds as a popular option for those who wish to keep their messages secure. Telegram boasts a collection of different features, but it’s best known for its ability to secure messages and media by encrypting them during transit; this prevents third-parties from snooping on messages easily. Let’s take a look at what Telegram can do and why you might want to use it.
Cryptoassets enthusiasts use this application for their trade activities, and they may make donations for this cause.If somehow Telegram do run out of money to sustain themselves they will probably introduce some features that will not hinder the rudimentary principle of Telegram but provide users with enhanced and enriched experience. This could be similar to features where characters can be customized in a game which directly do not affect the in-game strategies but add to the experience.
Библиотека задач по C | тесты код задания from cn