@azizbecha/strkit
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strkit is a utility library offering a collection of essential string functions including validation, case conversion, truncation, and more. Ideal for both JavaScript and TypeScript developers to simplify string operations in their applications.
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = countWordsMatching;
/**
* Counts the number of words in the given text that match a specified pattern.
*
* @param text - The input text to search within.
* @param pattern - The pattern to match words against (RegExp or string).
* @returns The number of words that match the given pattern.
*
* @example
* // Using a regular expression to count words starting with "a"
* countWordsMatching("apple banana apricot avocado", /^a/); // 3
*
* @example
* // Using a string to count exact matches
* countWordsMatching("apple banana apple apricot", "apple"); // 2
*/
function countWordsMatching(text, pattern) {
// Split the text into words based on whitespace and punctuation
const words = text.split(/\s+/);
// Convert string pattern to RegExp if necessary
const regex = typeof pattern === 'string' ? new RegExp(`^${pattern}$`) : pattern;
// Count words matching the pattern
return words.filter((word) => regex.test(word)).length;
}
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