某个字符串在某个字段出现的次数
DECLARE @t table(s VARCHAR(200))
insert into @t
SELECT 'Robot.H'
UNION ALL
SELECT 'Robot.HaaRobot.HbbRobot.H'
SELECT s,(LEN(s+'*')-LEN(REPLACE(s,'Robot','')+'*'))/LEN('Robot')
from @t
insert into @t
SELECT 'Robot.H'
UNION ALL
SELECT 'Robot.HaaRobot.HbbRobot.H'
SELECT s,(LEN(s+'*')-LEN(REPLACE(s,'Robot','')+'*'))/LEN('Robot')
from @t

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