Android Scanbot SDK/io.scanbot.sdk.textpattern/PatternContentValidator/allowedCharacters

allowedCharacters

var allowedCharacters: String

OCR whitelist. Empty string means no restriction. Only characters that are present in the allowedCharacters string will be accepted. For example, if allowedCharacters is set to "ab", the result may only contain characters 'a' and 'b'.

Default is ""