24.11 HTML_ATTRIBUTE_CLOB Function
This function escapes the values of HTML entity attributes. It hex escapes everything that is not alphanumeric or in one of the following characters:
,.-_
Syntax
APEX_ESCAPE.HTML_ATTRIBUTE_CLOB (
    p_string    IN CLOB )
    RETURN CLOB deterministic;Parameters
Table 24-11 HTML_ATTRIBUTE_CLOB Parameters
| Parameter | Description | 
|---|---|
p_string | 
                              The text string that is escaped. | 
Parent topic: APEX_ESCAPE