ChemPal Documentation - v1.7.0
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    Function decodeHTMLEntities

    • Decodes HTML entities in a string.

      Parameters

      • text: string

        The string to decode

      Returns string

      The decoded string

      decodeHTMLEntities("&lt;div&gt;Hello &amp; World&lt;/div&gt;") // Returns "<div>Hello & World</div>"
      decodeHTMLEntities("&#39;Hello&#39;") // Returns "'Hello'"

      Source

      export function decodeHTMLEntities(text: string): string {
        const entities: Record<string, string> = {
          '&nbsp;': ' ',
          '&lt;': '<',
          '&gt;': '>',
          '&amp;': '&',
          '&quot;': '"',
          '&#39;': "'",
          '&apos;': "'",
          '&cent;': '¢',
          '&pound;': '£',
          '&yen;': '¥',
          '&euro;': '€',
          '&copy;': '©',
          '&reg;': '®',
        } as const;

        return text
          .replace(/&[a-z]+;/gi, (match) => entities[match] || match)
          .replace(/&#(\d+);/gi, (match, dec) => String.fromCharCode(dec));
      }

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