@technobuddha/library
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A large library of useful functions
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<h1><a href="index.html">All files</a> split-sentences.ts</h1>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/**
* Regular expression to split text into sentences based on common sentence-ending punctuation.
* @internal
*/
const splitter = /(.*?(?:[.!?‼‽⁇⁈⁉:…]|\.\.\.)["'”’]?)(?:[\s\r\n]+|$)/gu;
/**
* Splits the input string into an array of sentences.
*
* End of sentences are found by looking for the following characters followed by
* an optional closing quotation mark and terminated by white space or a end of line:
*
* | Character | Description |
* | --------- | -------------------------- |
* | ? | Question mark |
* | : | Colon |
* | [ | Opening square bracket |
* | . | Period |
* | ! | Exclamation mark |
* | ? | Question mark |
* | ‼ | Double exclamation mark |
* | ‽ | Interrobang |
* | ⁇ | Double question mark |
* | ⁈ | Question exclamation mark |
* | ⁉ | Exclamation question mark |
* | : | Colon |
* | … | Ellipsis |
* | ... | Triple period |
*
* | Character | Description |
* | --------- | -------------------------- |
* | " | Double quotation mark |
* | ' | Single quotation mark |
* | ” | Right double quotation mark|
* | ’ | Right single quotation mark|
* @param input - The string to be split into sentences.
* @returns An array of non-empty, trimmed sentences.
* @example
* ```ts
* splitSentences("Hello! How are you? I'm 'OK.'"); // ["Hello!", "How are you?", "I'm 'OK.'"]
* ```
* @group String
* @category Deconstruction
*/
export function splitSentences(input: string): string[] {
return input.split(splitter).filter((s) => s.trim().length > 0);
}
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