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| 1. | Regexps use elements to instruct the regular expression engine on how to find a given string. | | | | 2. | An example of a regular expression used to match a string with the String method scan. | | | | 3. | Search for a word from the very beginning | | | | 4. | Looking for a word | | | | 5. | grep(/men/) | | | | 6. | grep(/m[ae]n/) | | | | 7. | grep(/men|man/) | | | | 8. | grep(/m(e|a)n/) | | | | 9. | grep(/^When in/) | | | | 10. | grep(/outcast state,$/) | | | | 11. | grep(/\Aen in/) | | | | 12. | grep(/e n,\z/) | | | | 13. | grep(/[\(\d\d\d\)]?\d\d\d-\d\d\d\d/) | | | | 14. | grep(/colou?r/) | | | | 15. | grep(/[\(\d+\)]?\d+-\d+/) | | | | 16. | grep(/[\(\d{3}\)]?\d{3}-\d{4}/) | | | | 17. | Implementing Class and Singleton Methods | | | | 18. | Match a time | | | | 19. | Match Perl, zero or more other chars, then Python | | | | 20. | Match Perl, a space, and Python | | | | 21. | Match Perl, zero or more spaces, and Python | | | | 22. | Match Perl, one or more spaces, and Python | | | | 23. | Match Perl, whitespace characters, then Python | | | | 24. | Match Ruby, a space, and either Perl or Python | | | | 25. | Match a regular repression in if statement | | | | 26. | sub and gsub replace with regular expressions | | | | 27. | Replace Perl or Python with Ruby | | | | 28. | The method Regexp#match matches a regular expression against a string. | | | | 29. | MatchData-related $-variables are in $~ | | |
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