wro4j-core/src/main/java/ro/isdc/wro/util/WroUtil.java
public static final String cleanImageUrl(final String imageUrl) {
    notNull(imageUrl);
    return imageUrl.replace('\'', ' ').replace('\"', ' ').trim();
  }
public static final String cleanImageUrl(final String imageUrl) {
    notNull(imageUrl);
    return imageUrl.replace('\'', ' ').replace('\"', ' ').trim();
  }
Cleans the image url by trimming result and removing \' or \" characters if such exists.

@param imageUrl
to clean.
@return cleaned image URL.