C:\test>perl -w "$_ = 'aaaaaaaaaaaaaa*bbbbbbbbbbb'; print 'Found it!' if (/\*/);"
Can't open perl script "$_ = 'aaaaaaaaaaaaaa*bbbbbbbbbbb'; print 'Found it!' if (/\*/
);": Invalid argument

C:\test>perl -we "$_ = 'aaaaaaaaaaaaaa*bbbbbbbbbbb'; print 'Found it!' if (/\*/);"
Found it!
C:\test>perl -we "$_ = 'aaaaaaaaaaaaaabbbbbbbbbbb'; print 'Found it!' if (/\*/);"

C:\test>