Font-swapping-for-Photoshop is a script that add a space between English and other language characters, and change the font size, typeface, font-wieght, basline shift, scaling of it. The script, using Regular expression, goes through each character of the selected text paragraph, and check whether it is a English character or not. If true, the script will change the character to assigned modification according to the GUI. You can modify the script for adding more typefaces and font weights if you like. Enjoy :)

Put the jsx file to the folder of Photoshop. And restart your Photoshop. You will see the script under the in file. e.g. /Applications/Adobe Photoshop 2020/Presets/Scripts

Select a paragraph of text layer in Photoshop (current only supports one layer) and open the script.

select the desire setting that you want. vualá !