Question: How to validate a interval of sql?

[aigoya]

• I have looked at the documentation here first?
• I have looked at the examples provided that may showcase my question here?

Package version eg. v9, v10:

Issue, Question or Enhancement:

I want to validate an interval input as example below:

• 1 month
• 2 months
• 1 year
• 2 years
• 7 years 6 months 5 weeks 4 days 3 hours 2 minutes 1 second
• 1 year 2 months 3 days
  How can I do that?

Code sample, to showcase or reproduce: