Created
August 19, 2020 17:34
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| spice escape-pattern (str) | |
| import UTF-8 | |
| using import itertools | |
| str as:= string | |
| let new-pattern = | |
| ->> str UTF-8.decoder | |
| retain | |
| inline (c) | |
| switch c | |
| pass (UTF-8.char "[") | |
| pass (UTF-8.char "]") | |
| pass (UTF-8.char "\\") | |
| pass (UTF-8.char "^") | |
| pass (UTF-8.char "$") | |
| pass (UTF-8.char ".") | |
| pass (UTF-8.char "|") | |
| pass (UTF-8.char "?") | |
| pass (UTF-8.char "*") | |
| pass (UTF-8.char "+") | |
| pass (UTF-8.char "(") | |
| pass (UTF-8.char ")") | |
| pass (UTF-8.char "{") | |
| pass (UTF-8.char "}") | |
| do | |
| UTF-8.char "\\" | |
| default | |
| -1 | |
| map | |
| inline (code-point) | |
| code-point | |
| flatten | |
| filter | |
| (x) -> (x != -1) | |
| UTF-8.encoder | |
| string.collector 256 | |
| `[new-pattern] |
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