Function combinePatterns

packages/decap-cms-widget-markdown/src/regexHelper.js:16–18

(patterns)

 * that each expression is executed separately.
 */
export function combinePatterns(patterns) {
  return patterns.map(p => `(?:${p.source})`).join('|');
}

/**
 * Modify substrings within a string if they match a (global) pattern. Can be