c:\@Work\Perl\monks\Ach>perl regex_problem_1.pl
perl version 5.014004

line: "\"quoted text\" \r\n"
rx 1: []
rx 2: []
rx 3: []
rx 4: []
line: "\"quoted_text\" \r\n"
rx 1: ["", "\"quoted_text\"", "\"", ""]
rx 2: ["", "\"quoted_text\"", "\"", ""]
rx 3: ["", "\"quoted_text\"", "\"", ""]
rx 4: ["", "\"quoted_text\"", ""]
line: "\"quoted-text\" \r\n"
rx 1: ["", "\"quoted-text\"", "\"", ""]
rx 2: ["", "\"quoted-text\"", "\"", ""]
rx 3: ["", "\"quoted-text\"", "\"", ""]
rx 4: ["", "\"quoted-text\"", ""]