What is the meaning of $-[0] ?

See the definition of @LAST_MATCH_START in perlvar.

$-[0] is the value of the first element of @-. Which, after a successful match, contains the position in the string at which the capturing parens matched.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

The start of some sanity?

In reply to Re^3: finding the last occurence of substring in string by BrowserUk
in thread finding the last occurence of substring in string by gri6507

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