[Intermediate Algorithm] - Spinal Tap Case
题目
将字符串转换为 spinal case。Spinal case 是 all-lowercase-words-joined-by-dashes 这种形式的,也就是以连字符连接所有小写单词。
提示
测试用例
spinalCase("This Is Spinal Tap")应该返回"this-is-spinal-tap"。spinalCase("thisIsSpinalTap")应该返回"this-is-spinal-tap"。spinalCase("The_Andy_Griffith_Show")应该返回"the-andy-griffith-show"。spinalCase("Teletubbies say Eh-oh")应该返回"teletubbies-say-eh-oh"。
分析思路
代码
1.function spinalCase(str) {
2. // "It's such a fine line between stupid, and clever."
3. // --David St. Hubbins
4.
5. return str.replace(/[^A-Za-z]/g, " ")
6. .replace(/([A-Z])/g, " $1")
7. .replace(/^\s/g, "")
8. .replace(/\s+/g, "-")
9. .toLowerCase();
10.}
11.
12.spinalCase('This Is Spinal Tap');

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