Those are not required to run Anope. They are only required if you plan to use any of them.
One package you didn't mention is mysql-client but mysql-devel is the package that should satisfy the dependency. At least it does on Anope 1.8
extra/m_ldap.cpp can not be built due to missing dependencies.
yum install openldap-servers openldap-clients
extra/m_mysql.cpp can not be built due to missing dependencies.
yum install mysql-devel
extra/m_regex_tre.cpp can not be built due to missing dependencies.
yum install tre
extra/m_sqlite.cpp can not be built due to missing dependencies.
yum install sqlite3
Since CentOS is RedHat based and uses YUM, any time you google for help, the RedHat solution should work most of the time.
Hope that helps.