Spinal Tap case-freecodecamp Algorithm Topic

Spinal Tap case

1. Requirements

• Converts a string to a spinal case.
• Spinal case is all-lowercase-words-joined-by-dashes in this form, that is, connecting all lowercase words with hyphens.

2. Ideas

• Use. Replace () and regular expressions to separate lowercase letters and capitals with a space
• Again

3. Replace the space with a '-' and finally lowercase.

function spinalCase(str) {  var regex = /\s+|_+/g;  str = str.replace(/([a-z])([A-Z])/g, ‘$1 $2‘);  return str.replace(regex, ‘-‘).toLowerCase();}spinalCase(‘This Is Spinal Tap‘);

4. RELATED LINKS

• Https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/RegExp
• Https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/String/replace

Spinal Tap case-freecodecamp Algorithm Topic