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add: content for this challenge (#31782)

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This commit is contained in:
Mario Kandut
2019-03-08 23:53:49 +01:00
committed by Randell Dawson
parent 41314f1364
commit 61e8a7c8bd
1 changed files with 15 additions and 3 deletions
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18
guide/english/certifications/javascript-algorithms-and-data-structures/regular-expressions/match-everything-but-letters-and-numbers/index.md
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@@ -3,8 +3,20 @@ title: Match Everything But Letters and Numbers
---
## Match Everything But Letters and Numbers
This is a stub. <a href='https://github.com/freecodecamp/guides/tree/master/src/pages/certifications/javascript-algorithms-and-data-structures/regular-expressions/match-everything-but-letters-and-numbers/index.md' target='_blank' rel='nofollow'>Help our community expand it</a>.
<a href='https://github.com/freecodecamp/guides/blob/master/README.md' target='_blank' rel='nofollow'>This quick style guide will help ensure your pull request gets accepted</a>.
To finish this challenge, it's necessary to use __character classes__.
<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
The __\W__ matches any character that is not a word character from the basic Latin alphabet.
__Equivalent to [^A-Za-z0-9_].__
For example, /\W/ or /[^A-Za-z0-9_]/ matches "%" in "50%".
### Spoiiler Alert: Solution ahead
```javascript
let quoteSample = "The five boxing wizards jump quickly.";
let nonAlphabetRegex = /\W/g; // Change this line
let result = quoteSample.match(nonAlphabetRegex).length;
```