XploRe Help : substr

Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Group:	String Manipulation
See also:	atof string

Function:		substr
Description:		substr extracts a substring from a string.

Usage:	`z = string (str, from, to)`
Input:
	`str`	n x 1 string vector
	`from`	scalar or n x 1 vector, index of the first character extracted
	`to`	scalar or n x 1 vector, index of the first character following the extracted substring
Output:
	`z`	n x 1 string vector, extracted substring

Example:

fmt = "Number : %10.3f" i = 1:10 str = string(fmt, i) str = substr(str, i, i+10) str

Result:

Contents of str

[ 1,] "Number  : "
[ 2,] "umber  :  "
[ 3,] "mber  :   "
[ 4,] "ber  :    "
[ 5,] "er  :     "
[ 6,] "r  :      "
[ 7,] "  :      7"
[ 8,] " :      8."
[ 9,] ":      9.0"
[10,] "     10.00"