Function friendlyFormatIBAN

friendlyFormatIBAN(iban?: string, separator?: string): string | null
Get IBAN in friendly format (separated after every 4 characters) IBAN validation is not performed. When non-string value for IBAN is provided, returns null.
```
// returns "NL91 ABNA 0417 1643 00"
ibantools.friendlyFormatIBAN("NL91ABNA0417164300");
```
```
// returns "NL91-ABNA-0417-1643-00"
ibantools.friendlyFormatIBAN("NL91ABNA0417164300","-");
```
Parameters
- Optionaliban: string
- Optionalseparator: string
Returns string | null
- Defined in ibantools.ts:356