lib/css-byebye.js
function regexize (rulesToRemove) {
  var rulesRegexes = []
  for (var i = 0, l = rulesToRemove.length; i < l; i++) {
    if (typeof rulesToRemove[i] === 'string') {
      rulesRegexes.push(new RegExp('^\\s*' + escapeRegExp(rulesToRemove[i]) + '\\s*$'))
    } else {
      rulesRegexes.push(rulesToRemove[i])
    }
  }
  return rulesRegexes
}
function regexize (rulesToRemove) {
  var rulesRegexes = []
  for (var i = 0, l = rulesToRemove.length; i < l; i++) {
    if (typeof rulesToRemove[i] === 'string') {
      rulesRegexes.push(new RegExp('^\\s*' + escapeRegExp(rulesToRemove[i]) + '\\s*$'))
    } else {
      rulesRegexes.push(rulesToRemove[i])
    }
  }
  return rulesRegexes
}
function regexize ( rulesToRemove ) { var rulesRegexes = [ ] for ( var i = 0 , l = rulesToRemove . length ; i < l ; i ++ ) { if ( typeof rulesToRemove [ i ] === 'string' ) { rulesRegexes . push ( new RegExp ( '^\\s*' + escapeRegExp ( rulesToRemove [ i ] ) + '\\s*$' ) ) } else { rulesRegexes . push ( rulesToRemove [ i ] ) } } return rulesRegexes }
Turn strings from rules to remove into a regexp to concat them later
@param  {Mixed Array} rulesToRemove
@return {RegExp Array}
Turn strings from rules to remove into a regexp to concat them later