Constant Case Converter

Create uppercase underscore-separated CONSTANT_CASE from words and common code naming styles.

Input

LocaleCONSTANT_CASE

Case conversion is mechanical. Locale-aware upper/lower mappings are used where the browser supports them; natural-language title capitalization and proper-noun restoration can require editorial judgment.

CONSTANT_CASE env/key readiness audit

Use the text already entered above as one identifier per line. Convert it for environment variables and constant keys, add an optional namespace prefix, surface leading-digit repairs and collisions, and verify the final tokens against a strict portable key pattern.

Namespace prefixLeading digit policyBlank lines

—Identifiers

—Portable keys

—Collisions

—Digit repairs

Ready.

Source	CONSTANT_CASE	Portable key	Evidence

Portable environment-variable names commonly use A–Z, 0–9 and underscore and should not begin with a digit. Runtime-specific naming rules can be stricter.