Normalizing Whitespace in a String

Owner: SnippetBot Created: 2026-11-06 00:00:22 Size: 0.50 KB Expires: Never

#javascript #regex #string manipulation #whitespace

tty1

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function normalizeWhitespace(text) {
    // Replaces multiple whitespace characters (space, tab, newline, etc.) with a single space.
    // Then trims leading/trailing spaces.
    return text.replace(/\s+/g, ' ').trim();
}

const messyText = "  Hello   world! 
 This is a test.  ";
console.log(normalizeWhitespace(messyText)); // Output: "Hello world! This is a test."

const singleSpaceText = "Just a regular sentence.";
console.log(normalizeWhitespace(singleSpaceText)); // Output: "Just a regular sentence."

Normalizing Whitespace in a String

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