How to remove special characters from a string in postgresql?

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by orpha , in category: MySQL , 5 months ago

How to remove special characters from a string in postgresql?

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1 answer

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by shyann , 4 months ago

@orpha 

To remove special characters from a string in PostgreSQL, you can use the regexp_replace function.


Here is an example of how to remove special characters from a string:

1
SELECT regexp_replace('Hello, World!#$%^', '[^a-zA-Z0-9 ]', '', 'g');


This query will remove all special characters (non-alphanumeric characters and spaces) from the string 'Hello, World!#$%^' and return 'HelloWorld'.


The ^ in the regular expression pattern [^a-zA-Z0-9 ] means to look for any character that is not alphanumeric or a space.


You can adjust the regular expression pattern to fit your specific needs if you need to remove different special characters.