finding value in a string

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finding value in a string

timscronin

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September 17, 2013 at 1:24 pm

#283416

I have a text value in a string which I can convert to varchar(1000). field I am going to convert look like this.
I need to extract the values between <EntryID> and </EntryID>
I was thinking charindex but am stuck
<NewOrder><InstID>ED</InstID><PatientID>22164</PatientID><LName>fACKSON</LName><FName>JAMES</FName><EntryID>1923236</EntryID><OrderID></NewOrder>

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Sean Lange SSC Guru Points: 286589 More actions · Answer 1

timscronin (9/17/2013)
I have a text value in a string which I can convert to varchar(1000). field I am going to convert look like this.
I need to extract the values between <EntryID> and </EntryID>
I was thinking charindex but am stuck
<NewOrder><InstID>ED</InstID><PatientID>22164</PatientID><LName>fACKSON</LName><FName>JAMES</FName><EntryID>1923236</EntryID><OrderID></NewOrder>

Your "string" looks to almost be xml???

As a string you could do this.

declare @MyValue varchar(1000) = '<NewOrder><InstID>ED</InstID><PatientID>22164</PatientID><LName>fACKSON</LName><FName>JAMES</FName><EntryID>1923236</EntryID><OrderID></NewOrder>'

select left(SUBSTRING(@MyValue, charindex('<EntryID>', @MyValue) + 9, LEN(@MyValue)), CHARINDEX('</EntryID>', SUBSTRING(@MyValue, charindex('<EntryID>', @MyValue) + 10, LEN(@MyValue))))

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ScottPletcher SSC Guru Points: 100952 More actions · Answer 2

Or this:

SELECT SUBSTRING(@MyValue, CHARINDEX('<EntryID>', @MyValue) + 9, CHARINDEX('</EntryID>', @MyValue) - CHARINDEX('<EntryID>', @MyValue) - 9)

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Alan Burstein SSC Guru Points: 61136 More actions · Answer 3

If not for the un-closed <OrderID> tag you would have a well-formed fragment that you could query via XPath. What Scott and Sean included will be better for your requirement. I am just showing another method.

How you could do it with a well-formed xml fragment

(note: I changed <OrderID> to <OrderID/>)

DECLARE @MyValue varchar(1000)=

'<NewOrder><InstID>ED</InstID><PatientID>22164</PatientID><LName>fACKSON</LName><FName>JAMES</FName><EntryID>1923236</EntryID><OrderID/></NewOrder>'

SELECT x.value('(/NewOrder/EntryID/text())[1]', 'varchar(100)')

FROM (VALUES (CAST(@MyValue AS xml))) doc(x)

With that <OrderID> tag in there you could do this:

SELECT CAST(REPLACE(@MyValue2,'<OrderID>','<OrderID/>') AS xml).value('(/NewOrder/EntryID/text())[1]', 'varchar(100)')

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Dwain Camps SSC Guru Points: 86908 More actions · Answer 4

Yet another way using Jeff Moden's venerated delimited string splitter: DelimitedSplit8K[/url] (download at the link provided):

declare @MyValue varchar(1000) = '<NewOrder><InstID>ED</InstID><PatientID>22164</PatientID><LName>fACKSON</LName><FName>JAMES</FName><EntryID>1923236</EntryID><OrderID></NewOrder>'

SELECT LEFT(Item, PATINDEX('%[^0-9]%', Item)-1)

FROM (SELECT REPLACE(@MyValue, 'EntryID>', CHAR(5))) a(MyStr)

CROSS APPLY dbo.DelimitedSplit8K(MyStr, CHAR(5))

WHERE ItemNumber = 2;

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