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  1. import re, time
  2. text = "c             a                      b                      d"
  3. pat = re.compile( "^(?!.*__)(?=[A-Za-z])[a-z A-Z0-9_]+(?<![ _])$" )
  4. t1 = time.time()
  5. for i in range( 400000 ):
  6. 	x = pat.match( text )
  7. t2=time.time()
  8. print( (t2-t1)*1000 )
  9.  
Success #stdin #stdout 0.75s 9120KB
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748.491048813
https://ideone.com/MDuGlk
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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