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from re import fullmatch
from ._utils import escape_markdown
def looks_like_plain_text(value: str) -> bool:
"""Check if given string has plain text following English syntax without need for escaping.
Accepts:
- words without numbers
- full stop, bangs and question marks at the end of a word if followed by a space or end of string
- commas, colons and semicolons if after a word and followed by a space
- dashes between words (like in `e-mail`)
- double and single quotes if proceeded with a space and followed by a word, or if proceeded by a word and followed by a space (or end of string); single quotes are also allowed in between two words
- parentheses if opening preceded by space and closing followed by space or end
Does not accept:
- square brackets (used in markdown a lot)
"""
if '_' in value:
return False
return fullmatch(r"((\w[\.!\?\)'\"](\s|$))|(\w[,:;]\s)|(\w[-']\w)|(\w\s['\"\(])|\w|\s)+", value) is not None
def plain_text_to_markdown(text: str) -> str:
return escape_markdown(text)
__all__ = ['looks_like_plain_text', 'plain_text_to_markdown']
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