strip
Trims leading and trailing characters from strings.
Syntax
R = strip(s, mode)
R = strip(s, mode, trim)
Inputs
- s
 - Input string(s) to be trimmed. If s is a cell, all elements should be of type string.
 - mode
 - Indicates whether leading and/or trailing characters should be trimmed from s. Valid values are 'both', 'left', 'right'.
 - trim
 - Optional string specifying characters(s) to be trimmed. If trim is a cell, all elements should be of type string. Whitespace is the default if no string is specified.
 
Outputs
- R
 - R will have the trimmed strings. If s is a cell, R will also be a cell.
 
Examples
R = strip(',,,this is a test,,', 'both', ',')R = this is a testR = strip({',,,this is a test****0123******????***','foo2*'}, 'right', {',', ' ', '?', '*', '0123'})R =
  [1,1] ,,,this is a test
  [1,2] foo2
}