How to remove tabs, several spaces, quotes from data in the column.
Hello
How can we remove legs, several spaces, quotes from data in the column.
Entry:
H ope you 'are' Ingo w ell
Output:
H ope do you everything - there is a tab in hope and double-spaced in the well. This should be replaced by space. (Tab and multi spaces)
I found myself with below:
REGEXP_REPLACE (REGEXP_REPLACE (Replace (col, Chr (9),' '), ' () {2,} ', ' '),'[' ""]', ")
Can we do more efficiently, your contributions are appreciated.
I tried
REGEXP_REPLACE (col,'[^ [a - z, A - Z, 0-9, Chr (0) - Chr (127) [: Space:]]] *', ") but the tabs still exist and that my data have German characters I can't go along with this.
Thank you
GVK.
Hello
Karthik417 wrote:
Hello
Thanks for your suggestion. In the above expression, we still missed to replace the double quotes.
So thought we must use another regular expression instead of REPLACE.
Select REGEXP_REPLACE (REGEXP_REPLACE (' H ope you "are" d "Ingo ell w ',' [' |])) CHR (9) | + ',' '),'["" "]') twice;
I suppose we must use at least 2 REGEXP to achieve and cannot get it with a single expression.
Thank you
Sorry, I removed single quotes, not double - quote. (This shows one of the reasons why having a few lines of sample data is very useful).
I think you don't need 2 separate functions. I do not think that the two must be REGEXP_REPLACE; You can use TRANSLATE to remove both types of quotation marks in a single function call:
TRANSLATE (REGEXP_REPLACE (col
, '[ ' || CHR (9) | ']+'
, ' '
)
, '?'''"',
, '?'
)
Of course, you can use use REGEXP_REPLACE to remove the quotes, if you really want to.
Powerful they are, regular expressions are basically only 1 thing, things not 2 or more different. Sometimes, he can watch as they do several things, because they can operate on character classes, like the series containing the
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