The APEX_ESCAPE
package uses the following constants.
SPACE# constant binary_integer := 32; HASH# constant binary_integer := 35; COMMA# constant binary_integer := 44; HYPHEN# constant binary_integer := 45; DOT# constant binary_integer := 46; ZERO# constant binary_integer := 48; NINE# constant binary_integer := 57; UP_A# constant binary_integer := 65; UP_Z# constant binary_integer := 90; BACKSLASH# constant binary_integer := 92; UNDERSCORE# constant binary_integer := 95; LOW_A# constant binary_integer := 97; LOW_Z# constant binary_integer := 122; c_ldap_dn_reserved_chars constant varchar2(8) := '"+,;<=>\'; c_ldap_search_reserved_chars constant varchar2(5) := '*()\/'; c_html_whitelist_tags constant varchar2(255) := '<h1>,</h1>,<h2>,</h2>,<h3>,</h3>,<h4>,</h4>,<p>,</p>,<b>,</b>,<strong>,</strong>,<i>,</i>,<ul>,</ul>,<ol>,</ol>,<li>,</li>,<br />,<hr/>';