3.8 KiB
3.8 KiB
id | title | challengeType |
---|---|---|
587d7db7367417b2b2512b9c | Find One or More Criminals in a Hunt | 1 |
Description
/z+/
matches the letter z
when it appears one or more times in a row. It would find matches in all of the following strings:
"z"But it does not find matches in the following strings since there are no letter
"zzzzzz"
"ABCzzzz"
"zzzzABC"
"abczzzzzzzzzzzzzzzzzzzzzabc"
z
characters:
""
"ABC"
"abcabc"
Instructions
greedy
regex that finds one or more criminals within a group of other people. A criminal is represented by the capital letter C
.
Tests
tests:
- text: Your regex should match <code>one</code> criminal ("<code>C</code>") in <code>"C"</code>
testString: assert('C'.match(reCriminals) && 'C'.match(reCriminals)[0] == 'C', 'Your regex should match <code>one</code> criminal ("<code>C</code>") in <code>"C"</code>');
- text: Your regex should match <code>two</code> criminals ("<code>CC</code>") in <code>"CC"</code>
testString: assert('CC'.match(reCriminals) && 'CC'.match(reCriminals)[0] == 'CC', 'Your regex should match <code>two</code> criminals ("<code>CC</code>") in <code>"CC"</code>');
- text: Your regex should match <code>three</code> criminals ("<code>CCC</code>") in <code>"P1P5P4CCCP2P6P3"</code>
testString: assert('P1P5P4CCCP2P6P3'.match(reCriminals) && 'P1P5P4CCCP2P6P3'.match(reCriminals)[0] == 'CCC', 'Your regex should match <code>three</code> criminals ("<code>CCC</code>") in <code>"P1P5P4CCCP2P6P3"</code>');
- text: Your regex should match <code>five</code> criminals ("<code>CCCCC</code>") in <code>"P6P2P7P4P5CCCCCP3P1"</code>
testString: assert('P6P2P7P4P5CCCCCP3P1'.match(reCriminals) && 'P6P2P7P4P5CCCCCP3P1'.match(reCriminals)[0] == 'CCCCC', 'Your regex should match <code>five</code> criminals ("<code>CCCCC</code>") in <code>"P6P2P7P4P5CCCCCP3P1"</code>');
- text: Your regex should not match any criminals in <code>""</code>
testString: assert(!reCriminals.test(''), 'Your regex should not match any criminals in <code>""</code>');
- text: Your regex should not match any criminals in <code>"P1P2P3"</code>
testString: assert(!reCriminals.test('P1P2P3'), 'Your regex should not match any criminals in <code>"P1P2P3"</code>');
- text: Your regex should match <code>fifty</code> criminals ("<code>CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC</code>") in <code>"P2P1P5P4CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP3"</code>.
testString: assert('P2P1P5P4CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP3'.match(reCriminals) && 'P2P1P5P4CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP3'.match(reCriminals)[0] == "CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC", 'Your regex should match <code>fifty</code> criminals ("<code>CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC</code>") in <code>"P2P1P5P4CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCP3"</code>.');
Challenge Seed
// example crowd gathering
let crowd = 'P1P2P3P4P5P6CCCP7P8P9';
let reCriminals = /./; // Change this line
let matchedCriminals = crowd.match(reCriminals);
console.log(matchedCriminals);
Solution
// solution required