Created
October 7, 2016 15:08
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| func convertToValidInt(amount: String) -> Int? | |
| if amount != "" { | |
| let badCharacters = CharacterSet.decimalDigits.inverted | |
| if amount.rangeOfCharacter(from: badCharacters) == nil { | |
| if let amount = Int(amount) { | |
| if amount > 0 { | |
| return amount | |
| } | |
| } | |
| } | |
| } | |
| return nil | |
| } |
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