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This question was answered on Jun 18, 2017. View the Answer


Complete the following tasks and submit it to the correlating assignment submissions folder. Supply screenshots to support your answers.


Complete a regex tutorial and write regular expressions to match specified patterns.


  1. A username (contains lowercase letters, digits, -, _; must be between 3 and 15 characters long)Match hello, 23andme
  2. Skip fo, &name, foo bar
  3. A password (contains lowercase letters, digits, -, _; must be between 3 and 15 characters long)
  4. Match password, password2014
  5. Skip pa$$word, &pass
  6. A Java variable name (contains letters, digits, _ and $; cannot start with a digit)Match hello, _hello_, HelloWorld2014
  7. Skip 7hello, hello world, hello!
  8. A floating point number with a decimal pointMatch 1.0, 1.5, -2.1, +3.14
  9. Skip 1, -2
  10. A hexadecimal number (starts with # or 0x and contains 3 or 6 hex digits)Match #FFF, 0xABCDEF, #123456
  11. Skip 0x, 0x12, #1234
  12. A username (contains letters and digits) from an email that ends with Capture username as a groupMatch doej123 in d..[email protected]
  13. Skip d..[email protected]
  14. An email from a domain .edu. A username may contain a period
  15. Match doej123 in d..[email protected], d..[email protected], d..[email protected]
  16. Skip h..[email protected], h..[email protected]
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This question was asked on Jun 16, 2017 and answered on Jun 18, 2017 for the course CS 212 at Upper Iowa.

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