Some regex for detecting code smell or bad code style

Using "Find in path" (cmd + shift + f) and those below can detect code smell or bad code style.
Comments are welcome : )

  1. [\n]{4,}                                                                        | check redundant blank lines.

  2. \{[\n]{2,} or  [\n]{2,}}                                                    | check blank lines around braces

  3. [ \t]+$                                                                         | line-end white space

  4. (=@|=[a-zA-Z0-9]|[a-zA-Z0-9]=)                                | needs white space around "="

  5. ^(?=.{121})(.*[^0-9a-zA-Z].*)$                                    | code line length check

  6. (if|while|for|switch|@property)\(                                 | need white space after those words

  7. \][a-zA-Z0-9]                                                              | method chain call should contain white space

  8. ^(-|\+).*\n\{\n(\n|[^}\n][^\n]*\n){100,}\}\n                      | the lines count of method, good for big methods

  9. \}\n(-|\+) \(                                                                  | needs blank line between methods

  10. ^\s+self\.[A-Z]+ or ^\s+_[A-Z]+ or \*[A-Z]+               | pascal case for variables

  11. :[1-9]\d* or (<|>|=)= [1-9]\d*                                     | magic number

  12. = \([a-zA-Z]+\b \*\) or = \([a-zA-Z]+\b\)                     | type cast

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