You should grouping first 7 digits to keep "([0-9]{7})" and
replace last 4 digits \d{4}:
postgres@postgres=# select
regexp_replace('18910180000,13910180000,232,abc','([0-9]{7})\d{4}',E'\\1****','g')
;
regexp_replace
---------------------------------
1891018****,1391018****,232,abc
(1 row)
Time: 73,528 ms
postgres@postgres=#
05.08.2016 13:35, sunpeng пишет:
> hi, friends,
> Our phone number format is 11 digital, i want to replace last 4
> digital into star, for example:
> Replace this string including 11 digital phone number:
> '18910180000,13910180000,232,abc'
> into:
> '1891018****,1391018****,232,abc'
> I try to use:
> select
> regexp_replace('18910180000,13910180000,232,abc','[0-9]{7}(\d+)','****','g')
> But it doesn't work, it will return:
> "****,****,232,abc"
> Can anyone help me? Thanks a million!
>
> Best Regards
> peng
--
WBR, Michail Shurutov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
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