string.horzcat
string: C = horzcat (A, B, …)
Horizontal concatenation of string arrays.
C = horzcat (A, B, …) is the equivalent of
the syntax C = [A, B, …] and horizontally
concatenates the string arrays A, B, …. All input
arrays must have the same size except along the second dimension. Any of
the input arrays may also be character matrixes, cell arrays of character
vectors, numeric arrays, or logical arrays of compatible size.
Source Code: string