vue-simple-range-slider/src/vue2/node_modules/clean-css/lib/optimizer/level-1/value-optimizers/starts-as-url.js

Change Your numeric value or numeric range value with dragging handles

var URL_PREFIX_PATTERN = /^url\(/i;

function startsAsUrl(value) {
  return URL_PREFIX_PATTERN.test(value);
}

module.exports = startsAsUrl;