How to align all occurance of a character

[RayZ0rr]

For example in the snippet below:

map("n", "<S-Left>", "<C-w><S-h>", "Move window to the left")
map("n", "<S-Down>", "<C-w><S-j>", "Move window down")
map("n", "<S-Up>", "<C-w><S-k>", "Move window up")
map("n", "<S-Right>", "<C-w><S-l>", "Move window to the right")

How to align around all occurrence of ,(comma) ?

[Xgames123]

I also have this problem when I want to align markdown tables it only aligns the first character