79d9012432
* fix(curriculum): tests quotes * fix(curriculum): fill seed-teardown * fix(curriculum): fix tests and remove unneeded seed-teardown
63 lines
2.4 KiB
Markdown
63 lines
2.4 KiB
Markdown
---
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id: 587d7db8367417b2b2512ba3
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title: Match Whitespace
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challengeType: 1
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---
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## Description
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<section id='description'>
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The challenges so far have covered matching letters of the alphabet and numbers. You can also match the whitespace or spaces between letters.
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You can search for whitespace using <code>\s</code>, which is a lowercase <code>s</code>. This pattern not only matches whitespace, but also carriage return, tab, form feed, and new line characters. You can think of it as similar to the character class <code>[ \r\t\f\n\v]</code>.
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<blockquote>let whiteSpace = "Whitespace. Whitespace everywhere!"<br>let spaceRegex = /\s/g;<br>whiteSpace.match(spaceRegex);<br>// Returns [" ", " "]<br></blockquote>
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</section>
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## Instructions
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<section id='instructions'>
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Change the regex <code>countWhiteSpace</code> to look for multiple whitespace characters in a string.
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: Your regex should use the global flag.
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testString: assert(countWhiteSpace.global, 'Your regex should use the global flag.');
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- text: Your regex should use the shorthand character
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testString: assert(/\\s/.test(countWhiteSpace.source), 'Your regex should use the shorthand character <code>\s</code> to match all whitespace characters.');
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- text: Your regex should find eight spaces in <code>"Men are from Mars and women are from Venus."</code>
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testString: assert("Men are from Mars and women are from Venus.".match(countWhiteSpace).length == 8, 'Your regex should find eight spaces in <code>"Men are from Mars and women are from Venus."</code>');
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- text: 'Your regex should find three spaces in <code>"Space: the final frontier."</code>'
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testString: 'assert("Space: the final frontier.".match(countWhiteSpace).length == 3, ''Your regex should find three spaces in <code>"Space: the final frontier."</code>'');'
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- text: Your regex should find no spaces in <code>"MindYourPersonalSpace"</code>
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testString: assert("MindYourPersonalSpace".match(countWhiteSpace) == null, 'Your regex should find no spaces in <code>"MindYourPersonalSpace"</code>');
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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let sample = "Whitespace is important in separating words";
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let countWhiteSpace = /change/; // Change this line
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let result = sample.match(countWhiteSpace);
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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