Hello,
1. Yes, it is possible to use regular expression that limit output of image gallery. If you use "ARI Sexy Lightbox" module, see "Image gallery -> Files filter" parameter. If you use "System - ARI Sexy Lightbox Anywhere" plugin, use "fileFilter" attribute for this purpose.
For example, if you want to show images which file name starts with letters from "A" to "F" (including lower and upper case) from <joomla_directory>/photos/albums/album1/ folder, set "Files filter" parameter to "^[A-Fa-f].*.(jpg|gif|jpeg|png|bmp|JPG|GIF|JPEG|BMP)$" (without quotes) for "ARI Sexy Lightbox" module or use the next code for "System - ARI Sexy Lightbox Anywhere" plugin:
Code: |
{arisexylightbox activeType="imglist" dir="photos/albums/album1" fileFilter="^[A-Fa-f].*.(jpg|gif|jpeg|png|bmp|JPG|GIF|JPEG|BMP)$"}{/arisexylightbox}
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2. Currently the extension can't show download link, but we can add this ability. Is it suitable if we add "save" icon at the bottom-right corner of the lightbox?
Regards,
ARI Soft