How to Find a String in SQL Server Stored Procedures

This is just quick tip found from this link and is actually good to use as a starting point:

USE DATABASE;
GO

SELECT [Schema] = schema_name(o.schema_id), o.Name, o.type
FROM sys.sql_modules m
INNER JOIN sys.objects o
ON o.object_id = m.object_id
WHERE m.definition LIKE '%YOUR-STRING%'
GO

Further Reading

How to Find All References to an Object in a SQL Server Database
How to Search for a String in All Tables in a Database
How to find a specific text string in a SQL Server Stored Procedure, Function, View or Trigger
How to Find a Column Name in SQL Server Database
How to Get Names of All Tables in SQL Server