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Oracle/PLSQL: Replace Function

2022-06-27 01:35:00 【yuanlnet】

In Oracle/PLSQL, the replace function replaces a sequence of characters in a string with another set of characters.

Syntax

The syntax for the replace function is:

replace( string1, string_to_replace, [ replacement_string ] )

string1 is the string to replace a sequence of characters with another set of characters.

string_to_replace is the string that will be searched for in string1.

replacement_string is optional. All occurrences of string_to_replace will be replaced with replacement_string in string1. If the replacement_string parameter is omitted, the replace function simply removes all occurrences of string_to_replace, and returns the resulting string.

Applies To

  • Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i

For Example

replace('123123tech', '123');

would return 'tech'

replace('123tech123', '123');

would return 'tech'

replace('222tech', '2', '3');

would return '333tech'

replace('0000123', '0');

would return '123'

replace('0000123', '0', ' ');

would return '    123'

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