Split a string at a newline character. When the literal \n represents a newline character, convert it to an actual newline using the compose function. Then use splitlines to split the string at the newline character.

Create a string in which two lines of text are separated by \n. You can use + to concatenate text onto the end of a string. Starting in R2017a, you can create strings using double quotes.

str = "In Xanadu did Kubla Khan";
str = str + "\n" + "A stately pleasure-dome decree"

str = 
"In Xanadu did Kubla Khan\nA stately pleasure-dome decree"

Convert \n into an actual newline character. Although str displays on two lines, str is a 1-by-1 string containing both lines of text.

str = compose(str)

str = 
    "In Xanadu did Kubla Khan
     A stately pleasure-dome decree"

Split str at the newline character. newStr is a 1-by-2 string array. Each element contains one line of the text.

newStr = splitlines(str)

newStr = 2x1 string
    "In Xanadu did Kubla Khan"
    "A stately pleasure-dome decree"

Create a character vector and split it at newline characters. The newline function returns the newline character, char(10).

chr = 'Whose woods these are I think I know.'; 
chr = [chr newline 'His house is in the village though;']

chr = 
    'Whose woods these are I think I know.
     His house is in the village though;'

C = splitlines(chr)

C = 2x1 cell
    {'Whose woods these are I think I know.'}
    {'His house is in the village though;'  }