Validates a long hexadecimal number (4 bytes / 8 characters).
Reference: ST_LongHexNumber in OOXML specification
The hexadecimal string to validate
The validated hexadecimal string
Error if the value is not a valid 8-character hex string
const hex = longHexNumber("ABCD1234"); // Valid Copy
const hex = longHexNumber("ABCD1234"); // Valid
Validates a long hexadecimal number (4 bytes / 8 characters).
Reference: ST_LongHexNumber in OOXML specification