$test = "C:\first\second";<br><br>

print $test;<br>
print"\n\n";<br>

$test =~ s/\\/\//g;<br>

print $test;

##</code><code>##

C:\Users\Admin\Desktop\perl_programs>perl invertSlash.pl<br>
C:Širstsecond<br><br>

C:Širstsecond