## STRFIND Find Substring in a String

Section: String Functions

### Usage

Searches through a string for a pattern, and returns the starting positions of the pattern in an array. There are two forms for the `strfind` function. The first is for single strings

       ndx = strfind(string, pattern)

the resulting array `ndx` contains the starting indices in `string` for the pattern `pattern`. The second form takes a cell array of strings

       ndx = strfind(cells, pattern)

and applies the search operation to each string in the cell array.

### Example

Here we apply `strfind` to a simple string

    --> a = 'how now brown cow?'

    a =

     how now brown cow?

    --> b = strfind(a,'ow')

    b =

      2  6 11 16

    -->
    quit

Here we search over multiple strings contained in a cell array.

    --> a = {'how now brown cow','quick brown fox','coffee anyone?'}

    a =

     ['how now brown cow']   ['quick brown fox']   ['coffee anyone?']

    --> b = strfind(a,'ow')

    b =

     [[1 4] int32]   [9]   []

    -->
    quit