:sig
String safe_name(String raw)

:params
raw : arbitrary input string
return value : a sanitized name safe to use as a file or key name

:content
Sanitizes a string into a safe name by normalizing or stripping characters that are unsafe in file names and identifiers (whitespace, separators, control characters). Use it before turning user input into a file name or cache key.

:example
print(safe_name("My Report: 2024/Q1!"), "\n");

:see
>string
ascii_safe_name
runtime_safe_key