use explicit m// operator to allow later string replace

ZimbraBuild/rpmconf/Upgrade/zmupgrade.pm

@@ -5204,7 +5204,7 @@ sub upgradeLdap($) {
               print OUT "olcDatabase: {3}mdb\n";
               next;
             }
-            if ($_ =~ /^olcDbDirectory: \/opt\/zimbra\/data\/ldap\/hdb\/db/) {
+            if ($_ =~ m|^olcDbDirectory: /opt/zimbra/data/ldap/hdb/db|) {
               print OUT "olcDbDirectory: /opt/zimbra/data/ldap/mdb/db\n";
               next;
             }
@@ -5276,7 +5276,7 @@ sub upgradeLdap($) {
               print OUT "olcDatabase: {2}mdb\n";
               next;
             }
-            if ($_ =~ /^olcDbDirectory: \/opt\/zimbra\/data\/ldap\/hdb\/db/) {
+            if ($_ =~ m|^olcDbDirectory: /opt/zimbra/data/ldap/hdb/db|) {
               print OUT "olcDbDirectory: /opt/zimbra/data/ldap/mdb/db\n";
               next;
             }

ZimbraServer/src/libexec/zmcheckduplicatemysqld

@@ -42,7 +42,7 @@ my $localxml = XMLin("/opt/zimbra/conf/localconfig.xml");
 my $table = new Proc::ProcessTable;
 foreach my $p ( @{$table->table} ) {
   my ($pid,$ppid,$pgrp,$cmdline) = ($p->pid, $p->ppid, $p->pgrp, $p->cmndline);
-  if ($p->fname eq "mysqld" && $cmdline =~ /\/opt\/zimbra\/db/) {
+  if ($p->fname eq "mysqld" && $cmdline =~ m|/opt/zimbra/db|) {
   #if ($p->fname eq "mysqld") {
     addToReport("PID:$pid PPID:$ppid PGRP:$pgrp\nCMD:\t$cmdline\n\n")
       if ($p->fname eq "mysqld" && $debug);

ZimbraServer/src/libexec/zmstat-allprocs

@@ -66,8 +66,8 @@ sub get_pid_tree() {
 				if (open(CMDLINE, "<$PROCFS/$pid/cmdline")) { # else pid has gone away
 					while (my $line = <CMDLINE>) {
 						my @args = split('\0',$line);
-						$cmd = 'zmconfigd' if ($args[$#args] =~ /\/opt\/zimbra\/libexec\/zmconfigd/);
-						$cmd = 'zmmailboxd' if ($args[$#args] =~ /\/opt\/zimbra\/mailboxd\/etc\/jetty.xml/);
+						$cmd = 'zmconfigd' if ($args[$#args] =~ m|//opt/zimbra/libexec/zmconfigd|);
+						$cmd = 'zmmailboxd' if ($args[$#args] =~ m|/opt/zimbra/mailboxd/etc/jetty.xml|);
 					}
 				}
 			}