JSON: String with many escaped quotes break highlighting in Safari

**Information**
- Language: JSON
- Plugins: none



**Description**
Prism fails to tokenise a json text correctly in Safari if one of the values contains a large number (998 or more to be exact) of escaped quotes (\"). This is a problem for me since I'm trying to highlight some JSON where the values contain HTML that has a lot of escaped quotes.

**Code snippet**

The snippet on the test page in the link below show the issue. Notice how things after the large string is highlighted incorrectly. If a single escaped quote is removed then the text is highlighted correctly.
[Test page](https://prismjs.com/test.html#language=json&text=%7B%0A%20%20%221%22%3A%20%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C%22%5C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<details>
<summary>The code being highlighted incorrectly.</summary>

```
{
  "1": "\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"\"",
  "2": "123"
}
```

</details>

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JSON: String with many escaped quotes break highlighting in Safari #2689

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JSON: String with many escaped quotes break highlighting in Safari #2689

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