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Oracle REPLACE function
The Oracle/PLSQL REPLACE function replaces a sequence of characters in a string with another character set.
Oracle/PLSQL REPLACE function syntax
REPLACE( string1_id, string_to_replace_id, [ replacement_string_id ] )
Parameters and function arguments
- string1_id – a string to replace a sequence of characters with another character set.
- string_to_replace_id – string that will be searched in string1.
- replacement_string_id – is not obligatory. All occurrences of string_to_replace will be replaced by string_to_replace in string1. If the string_to_replace parameter is omitted, the REPLACE function will simply delete all occurrences of string_to_replace and return the resulting string.
The REPLACE function returns a string value.
The REPLACE function can be used in the following versions of Oracle/PLSQL
| Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i |
Let’s consider some examples of the REPLACE function and learn how to use the REPLACE function in Oracle/PLSQL.
SQL> SELECT REPLACE('123123abcd', '123') FROM DUAL;
--Result: abcd
SQL> SELECT REPLACE('123abcd123', '123') FROM DUAL;
--Result: abcd
SQL> SELECT REPLACE('222abcd', '2', '3') FROM DUAL;
--Result: 333abcd.
SQL> SELECT REPLACE('0000123', '0') FROM DUAL;
--Result: 123
SQL> SELECT REPLACE('0000123', '0', ' ') FROM DUAL;
--Result: 123
Oracle Tutorial – Character Manipulation Function REPLACE
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