CSharp Language Basics Regex

Description

Click the following links for the tutorial for Language Basics and Regex.

1. replace every '*' with a '^' and display the result
2. replace the word "stars" with "carets" and display the result
3. replace every word with "word" and display the result
4. replace the first three digits with the word "digit"
5. split the string into individual strings, each containing a digit
6. Validate Input Using Regular Expressions
7. Use Compiled Regular Expressions
8. match 'e' in the test string



9. match 'e' multiple times in the test string
10. Match 'regex' in the string
11. Match regex or regexp using an optional 'p'
12. use alternation to match either 'cat' or 'hat'
13. find the digits in the test string
14. find anything that isn't a digit
15. find the word characters in the test string
16. Match a group of at least one word character



17. Match a group of at least one word character (lazy)
18. match characters from 'a' to 'f'
19. match anything that isn't in the range 'a' to 'f'
20. match any sequence of letters in any case
21. use the . (dot) metacharacter to match any character
22. Match a sentence
23. matches words that start with 'S'
24. matches words that start with 'm' and ends with 'e'
25. replaces extra white space