BinaryCon Binary Converter

Number Base Validator

Result

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Number Base Validator

Validate input strings against base rules (binary/decimal/hex/octal).

Example: 1010 (binary)

Definition: Checks whether an input string is valid for a given numeric base and reports any invalid characters or formatting.

Conversion formula

Number base validation rules:
Allowed digits are 0..(B-1). Letters A–Z represent values 10..35 for bases >10.

Example: For base 16 valid digits: 0–9, A–F (case-insensitive). '1G' is invalid in base 16.