isUUID

Checks if a string is in UUID (Universally Unique Identifier) format.

Syntax

isUUID(value: string): boolean

Parameters

Name	Type	Description
value	string	The string to be checked

Returns

Type	Description
boolean	Returns true if the string is a valid UUID, otherwise false

Example

isUUID("123e4567-e89b-12d3-a456-426614174000"); // true
isUUID("not-a-uuid"); // false
isUUID(12345 as any); // throws TypeError

Notes

• Throws a TypeError if the value is not a string.
• The pattern accepts UUIDs version 1 to 5.

References

• RFC 4122 - UUID