MATLAB Programming

3 Basic Program Components
Character Representation (Continued)
Operator
Usage
\f Form feed
\n New line
\r Carriage return
\t Horizontal tab
\v Vertical tab
\char
If a character has special meaning in a regular
expression, precede it with backslash (\) tomatchit
literally.
Grouping Operators
Operator Usage
(expr)
Group regular expressions and capture tokens.
(?:expr) Group regular expressions, but do not capture tokens.
(?>expr) Group atomically.
expr 1
|expr 2 Match expression expr 1
or expression expr 2
.
Nonmatching Operators
Operator
(?#comment)
Usage
Insert a comment into the expression. Comments are
ignored in matching.
Positional Operators
Operator
^expr
expr$
Usage
Match expr if it occurs at the beginning of the input
string.
Match expr if it occurs at the end of the input string.
3-74