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match all occurances of session id with one regex?

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Top Forums Shell Programming and Scripting match all occurances of session id with one regex?
# 1  
Old 04-22-2010
match all occurances of session id with one regex?
So far I have this little regex to match sessionids:

PHP Code:
session.id=[a-f0-9]{32} 
What must I add to make it match all occurances i want to match?
PHP Code:
session_id=993e3cf23ffff68a2b619518829192b9
?session_id=993e3cf23ffff68a2b619518829192b9
&session_id=993e3cf23ffff68a2b619518829192b9
&session_id=993e3cf23ffff68a2b619518829192b9 
and what if I want to match all but not the one with the & before
PHP Code:
&session_id=993e3cf23ffff68a2b619518829192b9 
# 2  
Old 04-22-2010
Maybe this is what your looking for...
Code:
grep "^[&?s]*ession.id=[a-f0-9]*" file

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