Maxcompute string replacement function -replace

REPLACE

Function description

use new String substitution str String with old The part of the string that exactly coincides and returns the replaced str. If there are no coincident strings , Go back to the original str.

Grammar format

string replace(string <str>, string <old>, string <new>)

Parameter description

Enter the reference

• str： Required .STRING type . String to be replaced .
• old： Required . String before replacement .
• new： Required . Replaced string .

The ginseng

STRING type . If any input parameter value is NULL, return NULL.

Examples of use

1. Use string 12 Replace string ababab And string abab Fully coincident part .

-- return 12ab.
select replace('ababab','abab','12');

2. Any input parameter is NULL.

-- return NULL.
select replace('123abab456ab',null,'abab');