A Simple Replacer

Note: I'm not on Windows so I can't tell, but I bet this program doesn't work in Internet Explorer and maybe even Edge.

Enter correspondence data (format: code=result):

IMPORTANT: spaces in input codes are NOT handled at all.
IMPORTANT: you need to reload correspondences after modification.

You have at least one line without an equals sign:

You have at least one repeated code:

Input code:

Result values:

Format (use {CODE} for codes and {RES} for result values):

Might be convenient:
[[Image:script/script_{RES}.png]]
<img src="/script/script_{RES}.png" alt="script {CODE}">

Final output (in a single line):