The following is an example of how to search SQL Jobs for text using TSQL
-- SQL 2005-2008 - Search all Jobs
SELECT j.job_id, s.srvname, j.name, js.step_id, js.command, j.enabled
FROM msdb.dbo.sysjobs j
JOIN msdb.dbo.sysjobsteps js ON js.job_id = j.job_id
JOIN master.dbo.sysservers s ON s.srvid = j.originating_server_id
WHERE js.command LIKE N'%...%'-- SQL 2000 - Search all jobs containing text
SELECT j.job_id, j.originating_server, j.name, js.step_id, js.command, j.enabled
FROM msdb.dbo.sysjobs j
JOIN msdb.dbo.sysjobsteps js ON js.job_id = j.job_id
WHERE js.command LIKE N'%...%'