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Commit 873cc12

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tartleytartley
committedNov 15, 2011
minor tidyings, add pdf to .gitignore
1 parent 21937f8 commit 873cc12

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‎.gitignore

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cheatsheet.pdf
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activate
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env

‎cheatsheet.rst

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@@ -12,11 +12,11 @@ Special characters::
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R|S matches either regex R or regex S.
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() Creates a capture group, and indicates precedence.
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No special chars do anything special inside ``[]``, hence they don't need
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Within ``[]``, no special chars do anything special, hence they don't need
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escaping, except for ``']'`` and ``'-'``, which only need escaping if they are
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not the 1st char. e.g. ``'[]]'`` matches ``']'``. ``'^'`` also has special meaning,
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it negates the group if it's the first character in the ``[]``, and needs to be
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escaped if you want to match it literally.
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not the 1st char. e.g. ``'[]]'`` matches ``']'``. ``'^'`` also has special
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meaning, it negates the group if it's the first character in the ``[]``, and
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needs to be escaped to match it literally.
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Quantifiers::
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@@ -27,7 +27,6 @@ Quantifiers::
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{m,n} from m to n. 'm' defaults to 0, 'n' to infinity
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{m,n}? from m to n, as few as possible
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Special sequences::
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\A Start of string
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Extensions. These do not cause grouping, except for ``(?P<name>...)``::
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(?iLmsux) Matches empty string, letters set re.X flags
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(?iLmsux) Matches empty string, sets re.X flags
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(?:...) Non-capturing version of regular parentheses
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(?P<name>...) Creates a named capturing group.
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(?P=<name>) Matches whatever matched previously named group
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(?!...) Negative lookahead assertion
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(?<=...) Lookbehind assertion: Matches if preceded
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(?<!...) Negative lookbehind assertion
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(?(id)yes|no) If group 'id' matched, match 'yes', else 'no'
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(?(id)yes|no) Match 'yes' if group 'id' matched, else 'no'
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Flags for re.compile(). Combine with ``'|'``::
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Flags for re.compile(), etc. Combine with ``'|'``::
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re.I re.IGNORECASE Ignore case
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re.L re.LOCALE Make \w, \b, and \s locale dependent
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re.M re.MULTILINE Multiline
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re.S re.DOTALL Dot matches all (including newline)
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re.U re.UNICODE Make \w, \b, \d, and \s unicode dependent
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re.X re.VERBOSE Verbose (unescaped whitespace in pattern
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re.I == re.IGNORECASE Ignore case
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re.L == re.LOCALE Make \w, \b, and \s locale dependent
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re.M == re.MULTILINE Multiline
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re.S == re.DOTALL Dot matches all (including newline)
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re.U == re.UNICODE Make \w, \b, \d, and \s unicode dependent
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re.X == re.VERBOSE Verbose (unescaped whitespace in pattern
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is ignored, and '#' marks comment lines)
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Module level functions::
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re.compile(pattern[, flags]) -> RegexObject
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re.match(pattern, string[, flags]) -> MatchObject
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re.search(pattner, string[, flags]) -> MatchObject
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re.findall(pattern, string[, flags]) -> list of strings
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re.finditer(pattern, string[, flags]) -> iter of MatchObjects
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re.split(pattern, string[, maxsplit, flags]) -> list of strings
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re.sub(pattern, repl, string[, count, flags]) -> string
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re.subn(pattern, repl, string[, count, flags]) -> (string, int)
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re.escape(string) -> string
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re.purge() # the re cache
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compile(pattern[, flags]) -> RegexObject
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match(pattern, string[, flags]) -> MatchObject
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search(pattner, string[, flags]) -> MatchObject
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findall(pattern, string[, flags]) -> list of strings
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finditer(pattern, string[, flags]) -> iter of MatchObjects
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split(pattern, string[, maxsplit, flags]) -> list of strings
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sub(pattern, repl, string[, count, flags]) -> string
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subn(pattern, repl, string[, count, flags]) -> (string, int)
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escape(string) -> string
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purge() # the re cache
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RegexObjects (returned from ``compile()``)::
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match(string[, pos, endpos]) -> MatchObject
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search(string[, pos, endpos]) -> MatchObject
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findall(string[, pos, endpos]) -> list of strings
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finditer(string[, pos, endpos]) -> iter of MatchObjects
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split(string[, maxsplit]) -> list of strings
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sub(repl, string[, count]) -> string
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subn(repl, string[, count]) -> (string, int)
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flags # int, passed to compile()
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groups # int, number of capturing groups
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groupindex # dict maps group names to ints
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pattern # string, passed to compile()
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.match(string[, pos, endpos]) -> MatchObject
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.search(string[, pos, endpos]) -> MatchObject
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.findall(string[, pos, endpos]) -> list of strings
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.finditer(string[, pos, endpos]) -> iter of MatchObjects
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.split(string[, maxsplit]) -> list of strings
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.sub(repl, string[, count]) -> string
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.subn(repl, string[, count]) -> (string, int)
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.flags # int passed to compile()
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.groups # int number of capturing groups
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.groupindex # {} maps group names to ints
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.pattern # string passed to compile()
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MatchObjects (returned from ``match()`` and ``search()``)::
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expand(template) -> string # backslash and group expansion
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group([group1...]) -> string # or tuple of strings, one per arg
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groups([default]) -> tuple of all groups, non-matching='default'
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groupdict([default]) -> dict of named groups, non-matching='default'
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start([group]) -> int, start of substring matched by group
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end([group]) (group defaults to 0, the whole match)
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span([group]) -> tuple (match.start(group), match.end(group))
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pos -> the value passed to search() or match()
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endpos -> "
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lastindex -> int index of last matched capturing group
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lastgroup -> string name of last matched capturing group
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re -> the regex passed to search() or match()
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string -> the string passed to seatch() or match()
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.expand(template) -> string, backslash and group expansion
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.group([group1...]) -> string or tuple of strings, 1 per arg
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.groups([default]) -> (,) of all groups, non-matching=default
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.groupdict([default]) -> {} of named groups, non-matching=default
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.start([group]) -> int, start/end of substring matched by group
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.end([group]) (group defaults to 0, the whole match)
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.span([group]) -> tuple (match.start(group), match.end(group))
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.pos # value passed to search() or match()
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.endpos # "
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.lastindex # int index of last matched capturing group
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.lastgroup # string name of last matched capturing group
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.re # regex passed to search() or match()
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.string # string passed to search() or match()
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Gleaned from the python 2.7 're' docs. http://docs.python.org/library/re.html
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:Version: v0.3.0
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:Version: v0.3.1
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:Contact: tartley@tartley.com
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