freeCodeCamp/curriculum/challenges/italian/02-javascript-algorithms-an.../intermediate-algorithm-scri.../spinal-tap-case.md

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---
id: a103376db3ba46b2d50db289
title: Spinal Tap Case
challengeType: 5
forumTopicId: 16078
dashedName: spinal-tap-case
---
# --description--
Converti una stringa in spinal case. Spinal case è composto di tutte-parole-minuscole-unite-da-trattini.
# --hints--
`spinalCase("This Is Spinal Tap")` dovrebbe restituire la stringa `this-is-spinal-tap`.
```js
assert.deepEqual(spinalCase('This Is Spinal Tap'), 'this-is-spinal-tap');
```
`spinalCase("thisIsSpinalTap")` dovrebbe restituire la stringa `this-is-spinal-tap`.
```js
assert.strictEqual(spinalCase('thisIsSpinalTap'), 'this-is-spinal-tap');
```
`spinalCase("The_Andy_Griffith_Show")` dovrebbe restituire la stringa `the-andy-griffith-show`.
```js
assert.strictEqual(
spinalCase('The_Andy_Griffith_Show'),
'the-andy-griffith-show'
);
```
`spinalCase("Teletubbies say Eh-oh")` dovrebbe restituire la stringa `teletubbies-say-eh-oh`.
```js
assert.strictEqual(
spinalCase('Teletubbies say Eh-oh'),
'teletubbies-say-eh-oh'
);
```
`spinalCase("AllThe-small Things")` dovrebbe restituire la stringa `all-the-small-things`.
```js
assert.strictEqual(spinalCase('AllThe-small Things'), 'all-the-small-things');
```
# --seed--
## --seed-contents--
```js
function spinalCase(str) {
return str;
}
spinalCase('This Is Spinal Tap');
```
# --solutions--
```js
function spinalCase(str) {
str = str.replace(/([a-z](?=[A-Z]))/g, '$1 ');
return str.toLowerCase().replace(/\ |\_/g, '-');
}
```