从字符串返回所有匹配的css

const cssPattern = /([a-zA-Z0-9-]+)\s*:\s*([^;]+);/g;

function extractCSSFromString(str) {
  const cssPattern = /([a-zA-Z0-9-]+)\s*:\s*([^;]+);/g;
  const matches = [];
  let match;

  while ((match = cssPattern.exec(str)) !== null) {
    const property = match[1];
    const value = match[2];
    matches.push({ property, value });
  }

  return matches;
}

const cssString = 'color: red; font-size: 16px; background: #fff;';
const cssMatches = extractCSSFromString(cssString);

console.log(cssMatches);

[
  { property: 'color', value: 'red' },
  { property: 'font-size', value: '16px' },
  { property: 'background', value: '#fff' }
]