isHexString

isHexString(value, length?): boolean

Defined in: utils/bytes.ts:364

Returns true if and only if object is a valid hex string. If length is specified and object is not a valid DataHexString of length bytes, an InvalidArgument error is thrown. Same as ethers.utils.isHexString

Parameters

value

any

the value to check whether or not it’s a hex string

length?

number

a length of bytes that the value should be equal to

Returns

boolean

whether the value is a valid hex string (and optionally, whether it matches the length specified)

Examples

isHexString('0x4924');
// true

isHexString('0x4924', 4);
// false
// length of 4 in bytes would mean a hex string with 8 characters