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CODE EXAMPLE FOR PYTHON

regex python multiline

>>> import re
>>> rx_sequence=re.compile(r"^(.+?)

((?:[A-Z]+
)+)",re.MULTILINE)
>>> rx_blanks=re.compile(r"W+") # to remove blanks and newlines
>>> text="""Some varying text1
...
... AAABBBBBBCCCCCCDDDDDDD
... EEEEEEEFFFFFFFFGGGGGGG
... HHHHHHIIIIIJJJJJJJKKKK
...
... Some varying text 2
...
... LLLLLMMMMMMNNNNNNNOOOO
... PPPPPPPQQQQQQRRRRRRSSS
... TTTTTUUUUUVVVVVVWWWWWW
... """
>>> for match in rx_sequence.finditer(text):
...   title, sequence = match.groups()
...   title = title.strip()
...   sequence = rx_blanks.sub("",sequence)
...   print "Title:",title
...   print "Sequence:",sequence
...   print
...
Title: Some varying text1
Sequence: AAABBBBBBCCCCCCDDDDDDDEEEEEEEFFFFFFFFGGGGGGGHHHHHHIIIIIJJJJJJJKKKK

Title: Some varying text 2
Sequence: LLLLLMMMMMMNNNNNNNOOOOPPPPPPPQQQQQQRRRRRRSSSTTTTTUUUUUVVVVVVWWWWWW
 
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Tagged: #regex #python #multiline
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