remarked/lib/utils/substitute.js

Markdown parser and lexer. A fork of marked.js maintained for Assemble.

module.exports = function (regex, options) {
  regex = regex.source;
  options = options || '';

  return function self(name, val) {
    if (!name) {
      return new RegExp(regex, options);
    }
    val = val.source || val;
    val = val.replace(/(^|[^\[])\^/g, '$1');
    regex = regex.replace(name, val);
    return self;
  };
};