* fix: Chinese test suite Add localeTiltes, descriptions, and adjust test text and testStrings to get the automated test suite working. * fix: ran script, updated testStrings and solutions
2.7 KiB
2.7 KiB
id, title, challengeType, videoUrl, localeTitle
id | title | challengeType | videoUrl | localeTitle |
---|---|---|---|---|
587d7db8367417b2b2512ba0 | Match Everything But Letters and Numbers | 1 | 匹配一切,但字母和数字 |
Description
\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
\W
来计算各种引号和字符串中的非字母数字字符数。 Tests
tests:
- text: 你的正则表达式应该使用全局标志。
testString: assert(nonAlphabetRegex.global);
- text: 你的正则表达式应该在<code>"The five boxing wizards jump quickly."</code>找到6个非字母数字字符<code>"The five boxing wizards jump quickly."</code> 。
testString: assert("The five boxing wizards jump quickly.".match(nonAlphabetRegex).length == 6);
- text: 你的正则表达式应该使用速记字符。
testString: assert(/\\W/.test(nonAlphabetRegex.source));
- text: 你的正则表达式应该在<code>"Pack my box with five dozen liquor jugs."</code>找到8个非字母数字字符<code>"Pack my box with five dozen liquor jugs."</code>
testString: assert("Pack my box with five dozen liquor jugs.".match(nonAlphabetRegex).length == 8);
- text: 你的正则表达式应该在<code>"How vexingly quick daft zebras jump!"</code>找到6个非字母数字字符<code>"How vexingly quick daft zebras jump!"</code>
testString: assert("How vexingly quick daft zebras jump!".match(nonAlphabetRegex).length == 6);
- text: 你的正则表达式应该在<code>"123 456 7890 ABC def GHI jkl MNO pqr STU vwx YZ."</code>找到12个非字母数字字符<code>"123 456 7890 ABC def GHI jkl MNO pqr STU vwx YZ."</code>
testString: assert("123 456 7890 ABC def GHI jkl MNO pqr STU vwx YZ.".match(nonAlphabetRegex).length == 12);
Challenge Seed
let quoteSample = "The five boxing wizards jump quickly.";
let nonAlphabetRegex = /change/; // Change this line
let result = quoteSample.match(nonAlphabetRegex).length;
Solution
// solution required