mcdonald dan gyoruyaekisaustinenergycom fri 20080208 1103 0800 paul douglas franklin yakima ugm wrote point good regex tutorial tried perldoc perlretut one found given lot good starting stuff doesnt mention id like learn perlretut noncapturing groupings noted part 1 groupings two distinct functions 1 group regexp elements together single unit 2 extract capture substrings matched regexp grouping noncapturing groupings denoted regexp allow regexp treated single unit dont extract substrings set matching variables 1 etc capturing noncapturing groupings allowed coexist regexp extraction noncapturing groupings faster capturing groupings daniel j mcdonald ccie 2495 cissp 78281 cnx austin energy httpwwwaustinenergycom tue 05 aug 2008 175936 0600 score