Function isISSN

isISSN(target: string, options?: any): Result<boolean | undefined>
Tests whether the target string is a valid ISSN

Example
```
expect(isISSN('0378-5955').value).toBeTruthy()
```
Parameters
- target: string
  
  The target
- options: any = {}
  
  The options
Returns Result<boolean | undefined>
- Defined in validators/isISSN.ts:27

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