Function: isUpperSnakeCase()

Source: NameCase.ts

Import

import { isUpperSnakeCase } from '@litert/utils-string';

Signature

function isUpperSnakeCase(text: string): boolean;

Description

Returns true if text matches UPPER_SNAKE_CASE format: starts with an uppercase letter and contains only uppercase letters, digits, and underscores joining segments.

Pattern: /^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$/

Parameters

• Parameter text: string — The string to test.

Return Value

true if text is UPPER_SNAKE_CASE; false otherwise.

Example

import { isUpperSnakeCase } from '@litert/utils-string';

isUpperSnakeCase('UPPER_SNAKE_CASE'); // true
isUpperSnakeCase('lower_snake_case'); // false
isUpperSnakeCase('A1_B2_C3');         // true
isUpperSnakeCase('1A_B');             // false
isUpperSnakeCase('');                 // false