---
id: 587d7db8367417b2b2512ba0
title: Match Everything But Letters and Numbers
challengeType: 1
videoUrl: ''
localeTitle: 匹配一切，但字母和数字
---
## Description
您已经了解到可以使用快捷键来匹配使用\w字母数字[A-Za-z0-9_] 。您可能想要搜索的自然模式与字母数字相反。您可以使用\W搜索\w的反面。注意，相反的模式使用大写字母。此快捷方式与[^A-Za-z0-9_] 。 让shortHand = / \ W /;
让数字=“42％”;
let sentence =“Coding！”;
numbers.match（简写）; //返回[“％”]
sentence.match（简写）; //返回[“！”]
## Instructions
使用速记字符类\W来计算各种引号和字符串中的非字母数字字符数。
## Tests
```yml
tests:
- text: 你的正则表达式应该使用全局标志。
testString: 'assert(nonAlphabetRegex.global, "Your regex should use the global flag.");'
- text: 你的正则表达式应该在"The five boxing wizards jump quickly."找到6个非字母数字字符"The five boxing wizards jump quickly." 。
testString: 'assert("The five boxing wizards jump quickly.".match(nonAlphabetRegex).length == 6, "Your regex should find 6 non-alphanumeric characters in "The five boxing wizards jump quickly.".");'
- text: 你的正则表达式应该使用速记字符。
testString: 'assert(/\\W/.test(nonAlphabetRegex.source), "Your regex should use the shorthand character to match characters which are non-alphanumeric.");'
- text: 你的正则表达式应该在"Pack my box with five dozen liquor jugs."找到8个非字母数字字符"Pack my box with five dozen liquor jugs."
testString: 'assert("Pack my box with five dozen liquor jugs.".match(nonAlphabetRegex).length == 8, "Your regex should find 8 non-alphanumeric characters in "Pack my box with five dozen liquor jugs."");'
- text: 你的正则表达式应该在"How vexingly quick daft zebras jump!"找到6个非字母数字字符"How vexingly quick daft zebras jump!"
testString: 'assert("How vexingly quick daft zebras jump!".match(nonAlphabetRegex).length == 6, "Your regex should find 6 non-alphanumeric characters in "How vexingly quick daft zebras jump!"");'
- text: 你的正则表达式应该在"123 456 7890 ABC def GHI jkl MNO pqr STU vwx YZ."找到12个非字母数字字符"123 456 7890 ABC def GHI jkl MNO pqr STU vwx YZ."
testString: 'assert("123 456 7890 ABC def GHI jkl MNO pqr STU vwx YZ.".match(nonAlphabetRegex).length == 12, "Your regex should find 12 non-alphanumeric characters in "123 456 7890 ABC def GHI jkl MNO pqr STU vwx YZ."");'
```
## Challenge Seed
```js
let quoteSample = "The five boxing wizards jump quickly.";
let nonAlphabetRegex = /change/; // Change this line
let result = quoteSample.match(nonAlphabetRegex).length;
```
## Solution
```js
// solution required
```