d74f0735c2
Release Notes: - N/A --------- Co-authored-by: michael <michael@zed.dev> Co-authored-by: agus <agus@zed.dev>
10 lines
672 B
Markdown
10 lines
672 B
Markdown
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Add validation support for Employer Identification Numbers (EIN) to the Go validator library
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I need to implement a new validator function for US Employer Identification Numbers (EIN) in this Go validation library. The EIN validator should:
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1. Create a new tag called "ein" that validates if a string is a valid US Employer Identification Number
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2. Follow the pattern of ##-#######, where # is a digit (regex pattern would be ^(\d{2}-\d{7})$)
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3. Ensure the field contains exactly 10 characters (including the hyphen)
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4. Document the new validator in the README.md and doc.go files
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5. Add proper unit tests to verify validation works correctly for valid and invalid EINs
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