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AI comments on regexes

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Philip Sargent
2025-01-09 21:59:27 +00:00
parent 5b97cd83dd
commit 219b8b792e
2 changed files with 66 additions and 0 deletions
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54
parsers/survex.py
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@@ -298,7 +298,61 @@ class LoadingSurvex:
rx_commteam = re.compile(r"(?i)\s*(Messteam|Zeichner)\s*[:]?(.*)")
rx_quotedtitle = re.compile(r'(?i)^"(.*)"$')
"""
Regular expression explanation for rx_starref (MS CoPilot)
(?i) : Case-insensitive flag for the regex
^ : Asserts the position at the start of a line
\s* : Matches zero or more whitespace characters
\*ref : Matches the literal string "*ref"
[\s.:]* : Matches zero or more whitespace characters, periods, or colons
((?:19[6789]\d)|(?:20[0123]\d))
: Capturing group that matches a year in the 1960s-1990s or 2000s-2030s
: (?:...) is a non-capturing group
: 19[6789]\d matches years from 1960 to 1999
: 20[0123]\d matches years from 2000 to 2039
\s* : Matches zero or more whitespace characters
#? : Matches zero or one "#" character
\s* : Matches zero or more whitespace characters
(X)? : Capturing group that optionally matches the character "X"
\s* : Matches zero or more whitespace characters
(.*?\d+.*?) : Capturing group that matches any character sequence containing at least one digit
: .*? matches any character (except newline), as few times as possible (non-greedy)
: \d+ matches one or more digits
: .*? matches any character (except newline), as few times as possible (non-greedy)
$ : Asserts the position at the end of a line
Regular expression explanation for rx_argsref
(?i) : Case-insensitive flag for the regex
^ : Asserts the position at the start of a line
[\s.:]* : Matches zero or more whitespace characters, periods, or colons
((?:19[6789]\d)|(?:20[012345]\d))
: Capturing group that matches a year in the 1960s-1990s or 2000s-2050s
: (?:...) is a non-capturing group
: 19[6789]\d matches years from 1960 to 1999
: 20[012345]\d matches years from 2000 to 2059
\s* : Matches zero or more whitespace characters
#? : Matches zero or one "#" character
\s* : Matches zero or more whitespace characters
(X)? : Capturing group that optionally matches the character "X"
\s* : Matches zero or more whitespace characters
(.*?\d+.*?) : Capturing group that matches any character sequence containing at least one digit
: .*? matches any character (except newline), as few times as possible (non-greedy)
: \d+ matches one or more digits
: .*? matches any character (except newline), as few times as possible (non-greedy)
$ : Asserts the position at the end of a
"""
# This interprets the survex "*data normal" command which sets out the order of the fields in the data, e.g.