24 lines
846 B
Python
24 lines
846 B
Python
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from __future__ import annotations
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import re
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# Pre-compile the regular expression and store it in a global constant
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LINE_AND_ENDING_PATTERN = re.compile(r"(.*?)(\r\n|\r|\n|$)", re.S)
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def line_split(input_string: str) -> list[tuple[str, str]]:
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r"""
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Splits an arbitrary string into a list of tuples, where each tuple contains a line of text and its line ending.
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Args:
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input_string (str): The string to split.
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Returns:
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list[tuple[str, str]]: A list of tuples, where each tuple contains a line of text and its line ending.
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Example:
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split_string_to_lines_and_endings("Hello\r\nWorld\nThis is a test\rLast line")
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>>> [('Hello', '\r\n'), ('World', '\n'), ('This is a test', '\r'), ('Last line', '')]
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"""
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return LINE_AND_ENDING_PATTERN.findall(input_string)[:-1] if input_string else []
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