export const ethereumAddress = /^0x([A-Fa-f0-9]{40})$/ ; export const bytes = /^0x([A-Fa-f0-9]{1,})$/ ; export const bytes4 = /^0x([A-Fa-f0-9]{8})$/ ; export const bytes32 = /^0x([A-Fa-f0-9]{64})$/ ; export const bytes64 = /^0x([A-Fa-f0-9]{128})$/ ; export const transactionHash = bytes32 ;