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RegExp "NOT IN"

2921435Nov 17 2008 — edited Nov 18 2008

Hello,

From the query given below, I need to do just get "this" [i.e, I need to just replace whatever is NOT "this" to NULL).

when I tried it like given below, it considers "t" "h" "i" and "s" as separate and replaces each and every one of them - can you please help ?

with q1 as
( select 'test_this_23stay_count' str from dual union
select 'say_thisandthat_s13et_count' from dual )
select str,
regexp_replace(str,'[^(this)]','') new_str
from q1

regards,

Raj

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Locked on Dec 16 2008

Added on Nov 17 2008

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