ID_PATTERN
The regular expression pattern that widget ids must match. A widget id must start with a lowercase letter and may contain only lowercase letters, digits, hyphens, and underscores. It should be between 4 and 32 characters long.
The regular expression pattern that widget ids must match. A widget id must start with a lowercase letter and may contain only lowercase letters, digits, hyphens, and underscores. It should be between 4 and 32 characters long.