Convert Snippet to Image

rename -n -d 's/(\d{4})-(\d{2})-(\d{2}) (\d{2})\.(\d{2})\.(\d{2})/$1$2$3_$4$5$6/' <files>
# -n to dry run
# -d to only rename files, not folders

Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!