how to check the proc use the string code example
Example 1: search text in all sql server stored procedure
SELECT OBJECT_NAME(object_id)
FROM sys.sql_modules
WHERE OBJECTPROPERTY(object_id, 'IsProcedure') = 1
AND definition LIKE '%Foo%'
Example 2: find string in stored procedure sql server
SELECT name
FROM sys.procedures
WHERE Object_definition(object_id) LIKE '%strHell%'