multiple pattern regular expression

[micron_make]

I am trying to parse a file whose contents are :

parameter=current
max=5A
min=2A

for a single line I used 
for line in file:
	print re.search("parameter\s*=\s*(.*)",line).groups()

is there a way to match multiple patterns using regex and return a
dictionary. What I am looking for is (pseudo code)

for line in file:
   re.search("pattern1" OR "pattern2" OR ..,line)

and the result should be {pattern1:match, pattern2:match...}

Also should I be using regex at all here ?

-rohit


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