FastUtils (version 0.2.1)

isSnakeCase: Check if String is snake_case

Description

This function checks if a given string adheres to snake_case naming conventions. By default (strict = TRUE), it only allows lowercase letters separated by underscores. If strict is FALSE, uppercase letters are also permitted.

Usage

isSnakeCase(x, strict = TRUE)

Value

TRUE if the string is snake_case according to the specified strictness, FALSE otherwise.

Arguments

x

A character string to check.

strict

Logical indicating whether the string should strictly contain only lowercase letters (TRUE) or can include uppercase ones (FALSE). Default is TRUE.

Examples

isSnakeCase("snake_case")        # returns TRUE
isSnakeCase("Snake_Case")        # returns FALSE
isSnakeCase("snake_case", FALSE) # returns TRUE
isSnakeCase("Snake_Case", FALSE) # returns TRUE