feat(curriculum): restore seed + solution to Chinese (#40683)

* feat(tools): add seed/solution restore script

* chore(curriculum): remove empty sections' markers

* chore(curriculum): add seed + solution to Chinese

* chore: remove old formatter

* fix: update getChallenges

parse translated challenges separately, without reference to the source

* chore(curriculum): add dashedName to English

* chore(curriculum): add dashedName to Chinese

* refactor: remove unused challenge property 'name'

* fix: relax dashedName requirement

* fix: stray tag

Remove stray `pre` tag from challenge file.

Signed-off-by: nhcarrigan <nhcarrigan@gmail.com>

Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/check-for-all-or-none.md

@@ -3,6 +3,7 @@ id: 587d7dba367417b2b2512ba8
 title: 检查全部或无
 challengeType: 1
 forumTopicId: 301338
+dashedName: check-for-all-or-none
 ---
 
 # --description--
@@ -51,5 +52,20 @@ assert(favRegex.test('favourite'));
 assert(!favRegex.test('fav'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let favWord = "favorite";
+let favRegex = /change/; // Change this line
+let result = favRegex.test(favWord);
+```
+
 # --solutions--
 
+```js
+let favWord = "favorite";
+let favRegex = /favou?r/;
+let result = favRegex.test(favWord);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/check-for-mixed-grouping-of-characters.md

@@ -3,6 +3,7 @@ id: 5c3dda8b4d8df89bea71600f
 title: 检查混合字符组
 challengeType: 1
 forumTopicId: 301339
+dashedName: check-for-mixed-grouping-of-characters
 ---
 
 # --description--
@@ -61,5 +62,21 @@ result 应该返回 `true`。
 assert(result === true);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let myString = "Eleanor Roosevelt";
+let myRegex = /False/; // Change this line
+let result = false; // Change this line
+// After passing the challenge experiment with myString and see how the grouping works
+```
+
 # --solutions--
 
+```js
+let myString = "Eleanor Roosevelt";
+let myRegex = /(Franklin|Eleanor).*Roosevelt/;
+let result = myRegex.test(myString);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/extract-matches.md

@@ -3,6 +3,7 @@ id: 587d7db4367417b2b2512b92
 title: 提取匹配项
 challengeType: 1
 forumTopicId: 301340
+dashedName: extract-matches
 ---
 
 # --description--
@@ -44,5 +45,20 @@ assert(codingRegex.source === 'coding');
 assert(code.match(/\.match\(.*\)/));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let extractStr = "Extract the word 'coding' from this string.";
+let codingRegex = /change/; // Change this line
+let result = extractStr; // Change this line
+```
+
 # --solutions--
 
+```js
+let extractStr = "Extract the word 'coding' from this string.";
+let codingRegex = /coding/; // Change this line
+let result = extractStr.match(codingRegex); // Change this line
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/find-characters-with-lazy-matching.md

@@ -3,6 +3,7 @@ id: 587d7db6367417b2b2512b9b
 title: 用惰性匹配来查找字符
 challengeType: 1
 forumTopicId: 301341
+dashedName: find-characters-with-lazy-matching
 ---
 
 # --description--
@@ -30,5 +31,20 @@ forumTopicId: 301341
 assert(result[0] == '<h1>');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let text = "<h1>Winter is coming</h1>";
+let myRegex = /<.*>/; // Change this line
+let result = text.match(myRegex);
+```
+
 # --solutions--
 
+```js
+let text = "<h1>Winter is coming</h1>";
+let myRegex = /<.*?>/; // Change this line
+let result = text.match(myRegex);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/find-more-than-the-first-match.md

@@ -3,6 +3,7 @@ id: 587d7db4367417b2b2512b93
 title: 全局匹配
 challengeType: 1
 forumTopicId: 301342
+dashedName: find-more-than-the-first-match
 ---
 
 # --description--
@@ -63,5 +64,20 @@ assert(
 assert(result.length == 2);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let twinkleStar = "Twinkle, twinkle, little star";
+let starRegex = /change/; // Change this line
+let result = twinkleStar; // Change this line
+```
+
 # --solutions--
 
+```js
+let twinkleStar = "Twinkle, twinkle, little star";
+let starRegex = /twinkle/gi;
+let result = twinkleStar.match(starRegex);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/find-one-or-more-criminals-in-a-hunt.md

@@ -3,6 +3,7 @@ id: 587d7db7367417b2b2512b9c
 title: 在狩猎中找到一个或多个罪犯
 challengeType: 1
 forumTopicId: 301343
+dashedName: find-one-or-more-criminals-in-a-hunt
 ---
 
 # --description--
@@ -90,5 +91,16 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let reCriminals = /./; // Change this line
+```
+
 # --solutions--
 
+```js
+let reCriminals = /C+/; // Change this line
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/ignore-case-while-matching.md

@@ -3,6 +3,7 @@ id: 587d7db4367417b2b2512b91
 title: 匹配时忽略大小写
 challengeType: 1
 forumTopicId: 301344
+dashedName: ignore-case-while-matching
 ---
 
 # --description--
@@ -79,5 +80,20 @@ assert(fccRegex.test('FrEeCodECamp'));
 assert(fccRegex.test('FReeCodeCAmp'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let myString = "freeCodeCamp";
+let fccRegex = /change/; // Change this line
+let result = fccRegex.test(myString);
+```
+
 # --solutions--
 
+```js
+let myString = "freeCodeCamp";
+let fccRegex = /freecodecamp/i; // Change this line
+let result = fccRegex.test(myString);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-a-literal-string-with-different-possibilities.md

@@ -3,6 +3,7 @@ id: 587d7db4367417b2b2512b90
 title: 同时用多种模式匹配文字字符串
 challengeType: 1
 forumTopicId: 301345
+dashedName: match-a-literal-string-with-different-possibilities
 ---
 
 # --description--
@@ -63,5 +64,20 @@ assert(petRegex.test('Alice has a pet fish.'));
 assert(!petRegex.test('Jimmy has a pet computer.'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let petString = "James has a pet cat.";
+let petRegex = /change/; // Change this line
+let result = petRegex.test(petString);
+```
+
 # --solutions--
 
+```js
+let petString = "James has a pet cat.";
+let petRegex = /dog|cat|bird|fish/; // Change this line
+let result = petRegex.test(petString);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-all-letters-and-numbers.md

@@ -3,6 +3,7 @@ id: 587d7db7367417b2b2512b9f
 title: 匹配所有的字母和数字
 challengeType: 1
 forumTopicId: 301346
+dashedName: match-all-letters-and-numbers
 ---
 
 # --description--
@@ -74,5 +75,20 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let quoteSample = "The five boxing wizards jump quickly.";
+let alphabetRegexV2 = /change/; // Change this line
+let result = quoteSample.match(alphabetRegexV2).length;
+```
+
 # --solutions--
 
+```js
+let quoteSample = "The five boxing wizards jump quickly.";
+let alphabetRegexV2 = /\w/g; // Change this line
+let result = quoteSample.match(alphabetRegexV2).length;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-all-non-numbers.md

@@ -3,6 +3,7 @@ id: 587d7db8367417b2b2512ba1
 title: 匹配所有非数字
 challengeType: 1
 forumTopicId: 301347
+dashedName: match-all-non-numbers
 ---
 
 # --description--
@@ -65,5 +66,20 @@ assert('21 Jump Street'.match(noNumRegex).length == 12);
 assert('2001: A Space Odyssey'.match(noNumRegex).length == 17);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let movieName = "2001: A Space Odyssey";
+let noNumRegex = /change/; // Change this line
+let result = movieName.match(noNumRegex).length;
+```
+
 # --solutions--
 
+```js
+let movieName = "2001: A Space Odyssey";
+let noNumRegex = /\D/g; // Change this line
+let result = movieName.match(noNumRegex).length;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-all-numbers.md

@@ -3,6 +3,7 @@ id: 5d712346c441eddfaeb5bdef
 title: 匹配所有数字
 challengeType: 1
 forumTopicId: 18181
+dashedName: match-all-numbers
 ---
 
 # --description--
@@ -65,5 +66,20 @@ assert('21 Jump Street'.match(numRegex).length == 2);
 assert('2001: A Space Odyssey'.match(numRegex).length == 4);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let movieName = "2001: A Space Odyssey";
+let numRegex = /change/; // Change this line
+let result = movieName.match(numRegex).length;
+```
+
 # --solutions--
 
+```js
+let movieName = "2001: A Space Odyssey";
+let numRegex = /\d/g; // Change this line
+let result = movieName.match(numRegex).length;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-anything-with-wildcard-period.md

@@ -3,6 +3,7 @@ id: 587d7db5367417b2b2512b94
 title: 用通配符.匹配任何内容
 challengeType: 1
 forumTopicId: 301348
+dashedName: match-anything-with-wildcard-period
 ---
 
 # --description--
@@ -89,5 +90,20 @@ assert(!unRegex.test('There is a bug in my code.'));
 assert(!unRegex.test('Can me if you can.'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let exampleStr = "Let's have fun with regular expressions!";
+let unRegex = /change/; // Change this line
+let result = unRegex.test(exampleStr);
+```
+
 # --solutions--
 
+```js
+let exampleStr = "Let's have fun with regular expressions!";
+let unRegex = /.un/; // Change this line
+let result = unRegex.test(exampleStr);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-beginning-string-patterns.md

@@ -3,6 +3,7 @@ id: 587d7db7367417b2b2512b9d
 title: 匹配字符串的开头
 challengeType: 1
 forumTopicId: 301349
+dashedName: match-beginning-string-patterns
 ---
 
 # --description--
@@ -51,5 +52,20 @@ assert(calRegex.test('Cal and Ricky both like racing.'));
 assert(!calRegex.test('Ricky and Cal both like racing.'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let rickyAndCal = "Cal and Ricky both like racing.";
+let calRegex = /change/; // Change this line
+let result = calRegex.test(rickyAndCal);
+```
+
 # --solutions--
 
+```js
+let rickyAndCal = "Cal and Ricky both like racing.";
+let calRegex = /^Cal/; // Change this line
+let result = calRegex.test(rickyAndCal);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-characters-that-occur-one-or-more-times.md

@@ -3,6 +3,7 @@ id: 587d7db6367417b2b2512b99
 title: 匹配出现一次或多次的字符
 challengeType: 1
 forumTopicId: 301350
+dashedName: match-characters-that-occur-one-or-more-times
 ---
 
 # --description--
@@ -39,5 +40,20 @@ assert(result.length == 2);
 assert(result[0] == 'ss' && result[1] == 'ss');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let difficultSpelling = "Mississippi";
+let myRegex = /change/; // Change this line
+let result = difficultSpelling.match(myRegex);
+```
+
 # --solutions--
 
+```js
+let difficultSpelling = "Mississippi";
+let myRegex = /s+/g; // Change this line
+let result = difficultSpelling.match(myRegex);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-characters-that-occur-zero-or-more-times.md

@@ -3,6 +3,7 @@ id: 587d7db6367417b2b2512b9a
 title: 匹配出现零次或多次的字符
 challengeType: 1
 forumTopicId: 301351
+dashedName: match-characters-that-occur-zero-or-more-times
 ---
 
 # --description--
@@ -67,5 +68,27 @@ assert(
 );
 ```
 
+# --seed--
+
+## --before-user-code--
+
+```js
+const chewieQuote = "Aaaaaaaaaaaaaaaarrrgh!";
+```
+
+## --seed-contents--
+
+```js
+// Only change code below this line
+let chewieRegex = /change/; // Change this line
+// Only change code above this line
+
+let result = chewieQuote.match(chewieRegex);
+```
+
 # --solutions--
 
+```js
+  let chewieRegex = /Aa*/;
+  let result = chewieQuote.match(chewieRegex);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-ending-string-patterns.md

@@ -3,6 +3,7 @@ id: 587d7db7367417b2b2512b9e
 title: 匹配字符串的末尾
 challengeType: 1
 forumTopicId: 301352
+dashedName: match-ending-string-patterns
 ---
 
 # --description--
@@ -46,5 +47,20 @@ assert(lastRegex.flags == '');
 assert(lastRegex.test('The last car on a train is the caboose'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let caboose = "The last car on a train is the caboose";
+let lastRegex = /change/; // Change this line
+let result = lastRegex.test(caboose);
+```
+
 # --solutions--
 
+```js
+let caboose = "The last car on a train is the caboose";
+let lastRegex = /caboose$/; // Change this line
+let result = lastRegex.test(caboose);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-everything-but-letters-and-numbers.md

@@ -3,6 +3,7 @@ id: 587d7db8367417b2b2512ba0
 title: 匹配除了字母和数字的所有符号
 challengeType: 1
 forumTopicId: 301353
+dashedName: match-everything-but-letters-and-numbers
 ---
 
 # --description--
@@ -70,5 +71,20 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let quoteSample = "The five boxing wizards jump quickly.";
+let nonAlphabetRegex = /change/; // Change this line
+let result = quoteSample.match(nonAlphabetRegex).length;
+```
+
 # --solutions--
 
+```js
+let quoteSample = "The five boxing wizards_jump quickly.";
+let nonAlphabetRegex = /\W/g; // Change this line
+let result = quoteSample.match(nonAlphabetRegex).length;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-letters-of-the-alphabet.md

@@ -3,6 +3,7 @@ id: 587d7db5367417b2b2512b96
 title: 匹配字母表中的字母
 challengeType: 1
 forumTopicId: 301354
+dashedName: match-letters-of-the-alphabet
 ---
 
 # --description--
@@ -50,5 +51,20 @@ assert(alphabetRegex.flags.match(/g/).length == 1);
 assert(alphabetRegex.flags.match(/i/).length == 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let quoteSample = "The quick brown fox jumps over the lazy dog.";
+let alphabetRegex = /change/; // Change this line
+let result = alphabetRegex; // Change this line
+```
+
 # --solutions--
 
+```js
+let quoteSample = "The quick brown fox jumps over the lazy dog.";
+let alphabetRegex = /[a-z]/gi; // Change this line
+let result = quoteSample.match(alphabetRegex); // Change this line
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-literal-strings.md

@@ -3,6 +3,7 @@ id: 587d7db3367417b2b2512b8f
 title: 匹配文字字符串
 challengeType: 1
 forumTopicId: 301355
+dashedName: match-literal-strings
 ---
 
 # --description--
@@ -50,5 +51,20 @@ assert(!waldoRegex.test('Somewhere is hiding in this text.'));
 assert(!/\/.*\/i/.test(code));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let waldoIsHiding = "Somewhere Waldo is hiding in this text.";
+let waldoRegex = /search/; // Change this line
+let result = waldoRegex.test(waldoIsHiding);
+```
+
 # --solutions--
 
+```js
+let waldoIsHiding = "Somewhere Waldo is hiding in this text.";
+let waldoRegex = /Waldo/; // Change this line
+let result = waldoRegex.test(waldoIsHiding);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-non-whitespace-characters.md

@@ -3,6 +3,7 @@ id: 587d7db9367417b2b2512ba4
 title: 匹配非空白字符
 challengeType: 1
 forumTopicId: 18210
+dashedName: match-non-whitespace-characters
 ---
 
 # --description--
@@ -56,5 +57,20 @@ assert('Space: the final frontier.'.match(countNonWhiteSpace).length == 23);
 assert('MindYourPersonalSpace'.match(countNonWhiteSpace).length == 21);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let sample = "Whitespace is important in separating words";
+let countNonWhiteSpace = /change/; // Change this line
+let result = sample.match(countNonWhiteSpace);
+```
+
 # --solutions--
 
+```js
+let sample = "Whitespace is important in separating words";
+let countNonWhiteSpace = /\S/g; // Change this line
+let result = sample.match(countNonWhiteSpace);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-numbers-and-letters-of-the-alphabet.md

@@ -3,6 +3,7 @@ id: 587d7db5367417b2b2512b97
 title: 匹配字母表中的数字和字母
 challengeType: 1
 forumTopicId: 301356
+dashedName: match-numbers-and-letters-of-the-alphabet
 ---
 
 # --description--
@@ -44,5 +45,20 @@ assert(myRegex.flags.match(/g/).length == 1);
 assert(myRegex.flags.match(/i/).length == 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let quoteSample = "Blueberry 3.141592653s are delicious.";
+let myRegex = /change/; // Change this line
+let result = myRegex; // Change this line
+```
+
 # --solutions--
 
+```js
+let quoteSample = "Blueberry 3.141592653s are delicious.";
+let myRegex = /[h-s2-6]/gi; // Change this line
+let result = quoteSample.match(myRegex); // Change this line
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-single-character-with-multiple-possibilities.md

@@ -3,6 +3,7 @@ id: 587d7db5367417b2b2512b95
 title: 将单个字符与多种可能性匹配
 challengeType: 1
 forumTopicId: 301357
+dashedName: match-single-character-with-multiple-possibilities
 ---
 
 # --description--
@@ -64,5 +65,20 @@ assert(vowelRegex.flags.match(/i/).length == 1);
 assert(!/[b-df-hj-np-tv-z]/gi.test(result.join()));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let quoteSample = "Beware of bugs in the above code; I have only proved it correct, not tried it.";
+let vowelRegex = /change/; // Change this line
+let result = vowelRegex; // Change this line
+```
+
 # --solutions--
 
+```js
+let quoteSample = "Beware of bugs in the above code; I have only proved it correct, not tried it.";
+let vowelRegex = /[aeiou]/gi; // Change this line
+let result = quoteSample.match(vowelRegex); // Change this line
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-single-characters-not-specified.md

@@ -3,6 +3,7 @@ id: 587d7db6367417b2b2512b98
 title: 匹配单个未指定的字符
 challengeType: 1
 forumTopicId: 301358
+dashedName: match-single-characters-not-specified
 ---
 
 # --description--
@@ -37,5 +38,20 @@ assert(myRegex.flags.match(/g/).length == 1);
 assert(myRegex.flags.match(/i/).length == 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let quoteSample = "3 blind mice.";
+let myRegex = /change/; // Change this line
+let result = myRegex; // Change this line
+```
+
 # --solutions--
 
+```js
+let quoteSample = "3 blind mice.";
+let myRegex = /[^0-9aeiou]/gi; // Change this line
+let result = quoteSample.match(myRegex); // Change this line
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/match-whitespace.md

@@ -3,6 +3,7 @@ id: 587d7db8367417b2b2512ba3
 title: 匹配空白字符
 challengeType: 1
 forumTopicId: 301359
+dashedName: match-whitespace
 ---
 
 # --description--
@@ -57,5 +58,20 @@ assert('Space: the final frontier.'.match(countWhiteSpace).length == 3);
 assert('MindYourPersonalSpace'.match(countWhiteSpace) == null);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let sample = "Whitespace is important in separating words";
+let countWhiteSpace = /change/; // Change this line
+let result = sample.match(countWhiteSpace);
+```
+
 # --solutions--
 
+```js
+let sample = "Whitespace is important in separating words";
+let countWhiteSpace = /\s/g;
+let result = sample.match(countWhiteSpace);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/positive-and-negative-lookahead.md

@@ -3,6 +3,7 @@ id: 587d7dba367417b2b2512ba9
 title: 正向先行断言和负向先行断言
 challengeType: 1
 forumTopicId: 301360
+dashedName: positive-and-negative-lookahead
 ---
 
 # --description--
@@ -100,5 +101,18 @@ assert(!pwRegex.test('8pass99'));
 assert(!pwRegex.test('12abcde'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let sampleWord = "astronaut";
+let pwRegex = /change/; // Change this line
+let result = pwRegex.test(sampleWord);
+```
+
 # --solutions--
 
+```js
+var pwRegex =  /^\D(?=\w{5})(?=\w*\d{2})/;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/remove-whitespace-from-start-and-end.md

@@ -3,6 +3,7 @@ id: 587d7dbb367417b2b2512bac
 title: 删除开头和结尾的空白
 challengeType: 1
 forumTopicId: 301362
+dashedName: remove-whitespace-from-start-and-end
 ---
 
 # --description--
@@ -36,5 +37,20 @@ assert(!code.match(/\.trim\(.*?\)/));
 assert(!code.match(/result\s*=\s*".*?"/));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let hello = "   Hello, World!  ";
+let wsRegex = /change/; // Change this line
+let result = hello; // Change this line
+```
+
 # --solutions--
 
+```js
+let hello = "   Hello, World!  ";
+let wsRegex = /^(\s+)(.+[^\s])(\s+)$/;
+let result = hello.replace(wsRegex, '$2');
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/restrict-possible-usernames.md

@@ -3,6 +3,7 @@ id: 587d7db8367417b2b2512ba2
 title: 限制可能的用户名
 challengeType: 1
 forumTopicId: 301363
+dashedName: restrict-possible-usernames
 ---
 
 # --description--
@@ -91,5 +92,20 @@ assert(userCheck.test('Z97'));
 assert(!userCheck.test('c57bT3'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let username = "JackOfAllTrades";
+let userCheck = /change/; // Change this line
+let result = userCheck.test(username);
+```
+
 # --solutions--
 
+```js
+let username = "JackOfAllTrades";
+const userCheck = /^[a-z]([0-9]{2,}|[a-z]+\d*)$/i;
+let result = userCheck.test(username);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/reuse-patterns-using-capture-groups.md

@@ -3,6 +3,7 @@ id: 587d7dbb367417b2b2512baa
 title: 使用捕获组重用模式
 challengeType: 1
 forumTopicId: 301364
+dashedName: reuse-patterns-using-capture-groups
 ---
 
 # --description--
@@ -93,5 +94,20 @@ assert(!reRegex.test('1 2 3'));
 assert(reRegex.test('10 10 10'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let repeatNum = "42 42 42";
+let reRegex = /change/; // Change this line
+let result = reRegex.test(repeatNum);
+```
+
 # --solutions--
 
+```js
+let repeatNum = "42 42 42";
+let reRegex = /^(\d+)\s\1\s\1$/;
+let result = reRegex.test(repeatNum);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/specify-exact-number-of-matches.md

@@ -3,6 +3,7 @@ id: 587d7db9367417b2b2512ba7
 title: 指定匹配的确切数量
 challengeType: 1
 forumTopicId: 301365
+dashedName: specify-exact-number-of-matches
 ---
 
 # --description--
@@ -65,5 +66,20 @@ assert(timRegex.test('Timmmmber'));
 assert(!timRegex.test('Ti' + 'm'.repeat(30) + 'ber'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let timStr = "Timmmmber";
+let timRegex = /change/; // Change this line
+let result = timRegex.test(timStr);
+```
+
 # --solutions--
 
+```js
+let timStr = "Timmmmber";
+let timRegex = /Tim{4}ber/; // Change this line
+let result = timRegex.test(timStr);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/specify-only-the-lower-number-of-matches.md

@@ -3,6 +3,7 @@ id: 587d7db9367417b2b2512ba6
 title: 只指定匹配的下限
 challengeType: 1
 forumTopicId: 301366
+dashedName: specify-only-the-lower-number-of-matches
 ---
 
 # --description--
@@ -71,5 +72,20 @@ assert('Hazzzzzzah'.match(haRegex)[0].length === 10);
 assert('Hazzzzzzzzzzzzzzzzzzzzzzzzzzzzzzah'.match(haRegex)[0].length === 34);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let haStr = "Hazzzzah";
+let haRegex = /change/; // Change this line
+let result = haRegex.test(haStr);
+```
+
 # --solutions--
 
+```js
+let haStr = "Hazzzzah";
+let haRegex = /Haz{4,}ah/; // Change this line
+let result = haRegex.test(haStr);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/specify-upper-and-lower-number-of-matches.md

@@ -3,6 +3,7 @@ id: 587d7db9367417b2b2512ba5
 title: 指定匹配的上限和下限
 challengeType: 1
 forumTopicId: 301367
+dashedName: specify-upper-and-lower-number-of-matches
 ---
 
 # --description--
@@ -69,5 +70,20 @@ assert('Ohhhhhh no'.match(ohRegex)[0].length === 10);
 assert(!ohRegex.test('Ohhhhhhh no'));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let ohStr = "Ohhh no";
+let ohRegex = /change/; // Change this line
+let result = ohRegex.test(ohStr);
+```
+
 # --solutions--
 
+```js
+let ohStr = "Ohhh no";
+let ohRegex = /Oh{3,6} no/; // Change this line
+let result = ohRegex.test(ohStr);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/use-capture-groups-to-search-and-replace.md

@@ -3,6 +3,7 @@ id: 587d7dbb367417b2b2512bab
 title: 使用捕获组搜索和替换
 challengeType: 1
 forumTopicId: 301368
+dashedName: use-capture-groups-to-search-and-replace
 ---
 
 # --description--
@@ -51,5 +52,22 @@ assert(
 assert(code.match(/result\s*=\s*huhText\.replace\(.*?\)/));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let str = "one two three";
+let fixRegex = /change/; // Change this line
+let replaceText = ""; // Change this line
+let result = str.replace(fixRegex, replaceText);
+```
+
 # --solutions--
 
+```js
+let str = "one two three";
+let fixRegex = /(\w+) (\w+) (\w+)/g; // Change this line
+let replaceText = "$3 $2 $1"; // Change this line
+let result = str.replace(fixRegex, replaceText);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/regular-expressions/using-the-test-method.md

@@ -3,6 +3,7 @@ id: 587d7db3367417b2b2512b8e
 title: 使用测试方法
 challengeType: 1
 forumTopicId: 301369
+dashedName: using-the-test-method
 ---
 
 # --description--
@@ -38,5 +39,20 @@ assert(code.match(/myRegex.test\(\s*myString\s*\)/));
 assert(result === true);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let myString = "Hello, World!";
+let myRegex = /Hello/;
+let result = myRegex; // Change this line
+```
+
 # --solutions--
 
+```js
+let myString = "Hello, World!";
+let myRegex = /Hello/;
+let result = myRegex.test(myString); // Change this line
+```