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Javascript: This regular expression accepts ID numbers from a hypothetical company: /^[BQ]d{2}-d{4,6}$/ Explain in words what this regular expression does. Write a JavaScript script that

Javascript:

This regular expression accepts ID numbers from a hypothetical company:

/^[BQ]\d{2}-\d{4,6}$/ 
  1. Explain in words what this regular expression does.
  2. Write a JavaScript script that tests this regular expression. Provide test strings that test all cases.

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