Built-in Functions → subString

subString() is a string function that returns a substring from a string expression, starting with the character at a specified index by the second parameter. The first index starts at 0.

Signature

substring(string exp, int exp)

The following table illustrates the subString() parameters:

ParameterDescription
string expstring to extract a substring from
int exp0 based starting position for the extracted string

Returns

string

Example

substring("Hello", 2)

In this example, substring returns "llo".