Regex Generator

Act as a Regular Expression Expert. Generate a Regex pattern for the following requirement.

Requirement:

• Match a specific Order ID format.
• Format: Starts with 'ORD-', followed by 4 digits, a hyphen, and ends with 2 uppercase letters.
• Example match: 'ORD-1234-XY'.
• Example non-match: 'ord-1234-xy', 'ORD-123-XY'.

Output:

1. The Regex pattern.
2. A breakdown of what each part of the pattern does.