58 lines
2.0 KiB
Markdown
58 lines
2.0 KiB
Markdown
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---
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id: 587d7db7367417b2b2512b9e
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title: Match Ending String Patterns
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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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In the last challenge, you learned to use the <code>caret</code> character to search for patterns at the beginning of strings. There is also a way to search for patterns at the end of strings.
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You can search the end of strings using the <code>dollar sign</code> character <code>$</code> at the end of the regex.
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<blockquote>let theEnding = "This is a never ending story";<br>let storyRegex = /story$/;<br>storyRegex.test(theEnding);<br>// Returns true<br>let noEnding = "Sometimes a story will have to end";<br>storyRegex.test(noEnding);<br>// Returns false<br></blockquote>
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</section>
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## Instructions
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<section id='instructions'>
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Use the anchor character (<code>$</code>) to match the string <code>"caboose"</code> at the end of the string <code>caboose</code>.
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</section>
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## Tests
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<section id='tests'>
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```yml
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- text: You should search for <code>"caboose"</code> with the dollar sign <code>$</code> anchor in your regex.
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testString: 'assert(lastRegex.source == "caboose$", "You should search for <code>"caboose"</code> with the dollar sign <code>$</code> anchor in your regex.");'
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- text: Your regex should not use any flags.
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testString: 'assert(lastRegex.flags == "", "Your regex should not use any flags.");'
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- text: You should match <code>"caboose"</code> at the end of the string <code>"The last car on a train is the caboose"</code>
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testString: 'assert(lastRegex.test("The last car on a train is the caboose"), "You should match <code>"caboose"</code> at the end of the string <code>"The last car on a train is the caboose"</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 caboose = "The last car on a train is the caboose";
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let lastRegex = /change/; // Change this line
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let result = lastRegex.test(caboose);
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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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