substr

swordfish.function.substr()

Return a substring of X with the specified starting position (offset) and length. The first character of X corresponds to position 0. If length exceeds the length of X, stop at the end of X.

If length is not specified, return a substring of X from the specified starting position (offset) to the end of X.

Parameters:

• str (Constant) – A string scalar/vector.

• offset (Constant) – A nonnegative integer.

• length (Constant, optional) – A positive integer, by default DFLT.