Properties
Optional allowUnicodeRegExp
allowUnicodeRegExp: undefined | false | true
Optional lowerCase
lowerCase: undefined | false | true
maxLength
maxLength: number
Optional minLength
minLength: undefined | number
Optional pattern
pattern: RegExp
Optional trimmed
trimmed: undefined | false | true
The string cannot start or end with any of the following whitespace and line terminator characters:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim
http://www.fileformat.info/info/unicode/category/Zs/list.htm