Regex :: Parse A ICalendar File In ActionScript

Mar 19, 2010

I use a library to parse an iCalendar file, but I don't understand the regex to split property. iCalendar property has 3 different style:

BEGIN:VEVENT
DTSTART;VALUE=DATE:20080402
RRULE:FREQ=YEARLY;WKST=MO

The library uses this regex that I would like to understand:

var matches:Array = data.match(/(.+?)(;(.*?)=(.*?)((,(.*?)=(.*?))*?))?:(.*)$/);
p.name = matches[1];
p.value = matches[9];
p.paramString = matches[2];

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