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Sql Server: Query to get string between two characters or symbols

Introduction: In this article I am going to share the query to extract substring from within two special characters or symbols in sql server. Or we can say getting text from string wrapped between two same or different characters.


Description: While working with sql server database I got the requirement to get substring from within two specific characters or symbols. To get this done we just need to find the first and last index of specified character and then using substring function we can extract the desired part as demonstrated in example below.

Implementation: Let’s create an example to see it in action.

--Create a temporary table using following script
CREATE TABLE #tb
(
            Code VARCHAR(25)
)

--Insert some dummy data into table
INSERT INTO #tb VALUES
('BRF/145/23'), ('ZRF/846/63'), ('ABC/123/79')

--Show dummy data
SELECT * FROM #tb 
Code
BRF/145/23
ZRF/846/63
ABC/123/79

Suppose it is required to extract the text written between '/'. Then the query will be as:

--Query to extract the desired code
SELECT SUBSTRING(Code,CHARINDEX('/',Code)+1,(((LEN(Code))-CHARINDEX('/', REVERSE(Code)))-CHARINDEX('/',Code))) AS Result FROM #tb 
Result
145
846
123

Note: If you want to extract data between different characters  e.g. if your data is like 'BRF/145#23' then the query will be bit modified as:

SELECT SUBSTRING(Code,CHARINDEX('/',Code)+1,(((LEN(Code))-CHARINDEX('#', REVERSE(Code)))-CHARINDEX('/',Code))) AS Result FROM #tb

  Now over to you:
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