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  1. def check_text_for_string(text_to_parse, string_to_find):
  2.     import re
  3.     matches = []
  4.     pattern = r"(?<!\d\.)(?:\b|_)%s(?:\b|_)(?!\.\d)"%string_to_find
  5.     return re.findall(pattern, text_to_parse)
  6.  
  7. import re
  8. word_to_match = "3423423987"
  9. possible_word_list = [
  10.                     "3423423987_1 the cake is a lie", #Match
  11.                     "3423423987sdgg call me Ishmael",  #Not a match
  12.                     "3423423987 please sir, can I have some more?",#Match
  13.                     "3423423987",#Match
  14.                     "3423423987 ",#Match
  15.                     "3423423987\t",#Match
  16.                     "adsgsdzgxdzg adsgsdag\t3423423987\t",#Match
  17.                     "1233423423987", #Not a match
  18.                     "A3423423987", #Not a match
  19.                     "3423423987-1a\t",#Match
  20.                     "3423423987.0", #Not a match
  21.                     "342342398743635645" #Not a match
  22.                     ]
  23.  
  24. print("%d words in sample list."%len(possible_word_list))
  25. print("Only 7 should match.")
  26. matches = check_text_for_string("\n".join(possible_word_list), word_to_match)
  27. print("%d matched."%len(matches))
  28. print(matches)
Success #stdin #stdout 0.01s 9016KB
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Standard input is empty
stdout
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12 words in sample list.
Only 7 should match.
7 matched.
['3423423987_', '3423423987', '3423423987', '3423423987', '3423423987', '3423423987', '3423423987']
https://ideone.com/YlNOC2
language:
Python (cpython 2.7.16)
created:
9 years ago
visibility:
secret

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