ethereumjs-monorepo

@ethereumjs/util

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@ethereumjs/util / isHexString

Function: isHexString()

isHexString(value, length?): value is `0x${string}`

Defined in: packages/util/src/internal.ts:36

Returns a boolean on whether or not the the input starts with ‘0x’ and matches the optional length

Parameters

value

string

the string input value

length?

number

the optional length of the hex string in bytes

Returns

value is `0x${string}`

Whether or not the string is a valid PrefixedHexString matching the optional length