Split string and replace

I have a varchar column with Url's with data tha开发者_如何学运维t looks like this:

http://google.mews.......http://www.somesite.com

I want to get rid of the first http and keep the second one so the row above would result in:

http://www.somesite.com

I've tried using split() but can't get it to work

Thanks

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If you are trying to do this using T-SQL, you can try something in the lines of:

-- assume @v is the variable holding the URL
SELECT SUBSTRING(@v, PATINDEX('%_http://%', @v) + 1, LEN(@v))

This will return the start position of the first http:// that has before it at least one character (hence the '%_' before it and the + 1 offset).

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If the first URL always starts right from the beginning of the string, you can use SUBSTRING() & CHARINDEX():

SELECT SUBSTRING(column, CHARINDEX('http://', column, 2), LEN(column))
FROM table

CHARINDEX simply searches a string for a substring and returns the substring's starting position within the string. Its third argument is optional and, if set, specifies the search starting position, in this case it's 2 so it didn't hit the first http://.