[ale] NewbieQ Perl filtering question

[Mills.J at ems-t.com (Mills, John M.)]

ALErs -

I need to return only the part of a text line that falls between two
expected character strings, as it:

Input: blah..blah..string1<good content>string2..garbage..garbage
Output: <good_content>

TIA for a bit of guidance.

 - Mills