REGEXP_REPLACE(x, pattern [, replace_string [, start [, occurrence [, match_option]]]]) searches x for pattern and replace it with replace_string : REGEXP_REPLACE « Regular Expressions Functions « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » Regular Expressions Functions » REGEXP_REPLACE

18. 4. 4. REGEXP_REPLACE(x, pattern [, replace_string [, start [, occurrence [, match_option]]]]) searches x for pattern and replace it with replace_string

The following example replaces the substring that matches the regular expression l[[: alpha:]]{4} with the string sound using REGEXP_REPLACE():


SQL>

SQL> SELECT REGEXP_REPLACE('abcedfghijklumnoprstuvwxyzabcedfghijklumnoprstuvwxyzabcedfghijklumnoprstuvwxyz', 'l[[:alpha:]]{4}', 'sound') AS result

  2  FROM dual;



RESULT

------------------------------------------------------------------------------

abcedfghijksoundprstuvwxyzabcedfghijksoundprstuvwxyzabcedfghijksoundprstuvwxyz



SQL>

18. 4. REGEXP_REPLACE
	18. 4. 1.	Regexp_Replace returns the source_string with every occurrence of the pattern_to_find replaced with the replace_string
	18. 4. 2.	Regext_Replace
	18. 4. 3.	The Backslash as an Escape Character
	18. 4. 4.	REGEXP_REPLACE(x, pattern [, replace_string [, start [, occurrence [, match_option]]]]) searches x for pattern and replace it with replace_string
	18. 4. 5.	Convert a name in the form 'first middle last' into the 'last, middle first' format

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