perl - all possible sub strings matching the regex -
i have string
<start><tag1><tag2><tag3><end> if have regex <.*end> matches complete string , stops. there way gives matching substrings ike
<end> <tag3><end> <tag2><tag3><end> <tag1><tag2><tag3><end>
yes, must wrap pattern in lookahead (this way obtain overlapped results):
(?=(<.*end>)) the result in capture group 1.
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