String

Git Source

Functions

truncate32

Truncates a string to 32 bytes

function truncate32(string memory str_) internal pure returns (string memory);

bytes32ToString

Converts a bytes32 value to a string

Extracts a null-terminated string from bytes32 (stops at the first null byte)

function bytes32ToString(bytes32 value_) internal pure returns (string memory);

Parameters

Name	Type	Description
value_	bytes32	The bytes32 value to convert to a string

Returns

Name	Type	Description
<none>	string	string The string representation of the bytes32 value

substring

Returns a substring of a string

function substring(string memory str_, uint256 startIndex_, uint256 endIndex_)
    internal
    pure
    returns (string memory);

Parameters

Name	Type	Description
str_	string	The string to get the substring of
startIndex_	uint256	The index to start the substring at
endIndex_	uint256	The index to end the substring at

Returns

Name	Type	Description
<none>	string	resultString The substring

substringFrom

Returns a substring of a string from a given index

function substringFrom(string memory str_, uint256 startIndex_) internal pure returns (string memory);

Parameters

Name	Type	Description
str_	string	The string to get the substring of
startIndex_	uint256	The index to start the substring at

Returns

Name	Type	Description
<none>	string	resultString The substring

Errors

EndBeforeStartIndex

error EndBeforeStartIndex(uint256 startIndex, uint256 endIndex);

EndIndexOutOfBounds

error EndIndexOutOfBounds(uint256 endIndex, uint256 length);