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  1. import re
  2. regex = r"```.*?```|`.*?`|(<img(?!.*?alt=(['\"]).*?\2)[^>]*)(>)"
  3. test_str = ("```html\n"
  4. 	"<img src=\"fil.png\">\n"
  5. 	"```\n\n"
  6. 	"- [ ] Here is another image <img src=\"fil.png\"> and another `<img src=\"fil.png\">`\n\n"
  7. 	"  ```html\n"
  8. 	"  <a href=\"scratch/index.html\" id=\"scratch\" data-original-title=\"\" title=\"\" aria-describedby=\"popover162945\">\n"
  9. 	"    <div class=\"logo-wrapper\">\n"
  10. 	"    </div>\n"
  11. 	"    <div class=\"name\">\n"
  12. 	"      <span>Scratch</span>\n"
  13. 	"    </div>\n"
  14. 	"    <img src=\"fil.png\">\n"
  15. 	"  </a>\n"
  16. 	"  ```")
  17.  
  18. matches = re.finditer(regex, test_str, re.DOTALL)
  19. for match in matches:
  20.     if match.group(1):
  21.         print ("Found at {start}-{end}: {group}".format(start = match.start(1), end = match.end(1), group = match.group(1)))
Success #stdin #stdout 0.02s 6852KB
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Standard input is empty
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Found at 61-79: <img src="fil.png"
https://ideone.com/1X9M5e
language:
Python (cpython 2.7.16)
created:
5 years ago
visibility:
public

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