newbie regex

[csselo]

Hi

I want to filter some strings,but i don t know how to use compile
method.

first character must be [a-zA-z] group and others can only be digits or
letters.

like

a24354trt,Tsd1234

 

[Leif K-Brooks]

I want to filter some strings,but i don t know how to use compile
method.

Why not?

first character must be [a-zA-z] group and others can only be digits or
letters.

if re.search('^[a-zA-Z][a-zA-Z0-9]*$', foo):
print "Valid string."
else:
print "Invalid string."

 

[Leif K-Brooks]

Why not?

Sorry: I misread that as not _wanting_ to use the compile method.