ASN.1 NumericString tag: 18

The ASN.1 NumericString type is recommended when you need to use digits and spaces.

Example

NumbersOnly ::= NumericString
NumericString encoding example
Number ::= NumericString
targetSales Number ::= "1000000"

In BER, the NumericString type value defined in the example above is encoded as follows:

12 07 31303030303030

Constraints

The NumericString type can be constrained by a single value, by size constraints, and by permitted alphabet constraints.

Related Topics