c:\@Work\Perl\monks>perl -wMstrict -le
"print 'match' if '/' =~ ///;
"
syntax error at -e line 1, near "/;"
Execution of -e aborted due to compilation errors.

c:\@Work\Perl\monks>perl -wMstrict -le
"print 'match' if '/' =~ /\//;
"
match