15 lines
446 B
JavaScript
15 lines
446 B
JavaScript
function countSmileys(arr) {
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const smileyPattern = /^[:;][-~]?[)D]$/;
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if (arr.length === 0) {
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return 0;
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}
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return arr.filter((face) => smileyPattern.test(face)).length;
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}
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// Test cases
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console.log(countSmileys([":)", ";(", ";}", ":-D"])); // Output: 2
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console.log(countSmileys([";D", ":-(", ":-)", ";~)"])); // Output: 3
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console.log(countSmileys([";]", ":[", ";*", ":$", ";-D"])); // Output: 1
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console.log(countSmileys([])); // Output: 0
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