Remove the comma (,) of chain

Hello friends,

I have a string something of this nature

Sting: ", 3456, 45454, 45454,"

Need to have just the values separated by commas: '3456,45454,45454'
Tried with replace, but go to-'34564545445454'

Select Replace (ltrim (RTRIM (replace (', 3456, 45454, 45454,', ',', ','), ',')), ",", ") twice;



Appreciate your help.


Thank you/Kumar

Almost there but your exterior replacement remove all commas. What you need is

select ltrim(RTRIM(replace(',3456,45454,,45454,', ',,', ','),','),',') from dual;

Replace it replaces all double commas with a single comma, then RTRIM strips off the commas from the end of the string and the LTRIM removes any comma out of the beginning of the string. Unfortunately this does not always work if you have more than two consecutive commas in your channel. In order to replace two or more commas with a single comma, you will need to use regexp_replace.

Tags: Database

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