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. Hubbins4.5. 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');