Index

A

• alternation / Alternation
  • common parts, extracting / Extract common parts in alternation
• atomic groups / Atomic groups

B

• backreferences
  • about / Backreferences
• backslash character
  • used, in string literals / Backslash in string literals, String Python 2.x
• Backtracking
  • about / Understanding the Python regex engine, Backtracking
• boundary matchers / Boundary Matchers
• building blocks, for Python regex
  • RegexObject / RegexObject
  • MatchObject / MatchObject
  • module operations / Module operations

C

• character classes / Character classes
• common parts
  • extracting, in alternation / Extract common parts in alternation
• compilation flags
  • about / Compilation flags
  • re.IGNORECASE / re.IGNORECASE or re.I
  • re.I / re.IGNORECASE or re.I
  • re.MULTILINE / re.MULTILINE or re.M
  • re.M / re.MULTILINE or re.M
  • re.DOTALL / re.DOTALL or re.S
  • re.S / re.DOTALL or re.S
  • re.LOCALE / re.LOCALE or re.L
  • re.L / re.LOCALE or re.L
  • re.UNICODE / re.UNICODE or re.U
  • re.U / re.UNICODE or re.U
  • re.VERBOSE / re.VERBOSE or re.X
  • re.X / re.VERBOSE or re.X
• compiled patterns
  • reusing / Reuse compiled patterns
• count argument / sub(repl, string, count=0)

D

• DOTALL flag / re.DOTALL or re.S

E

• end([group]) operation / end([group])
• endpos parameter / search(string[, pos[, endpos]])
• escape() operation / escape()
• expand(template) operation / expand(template)

F

• findall(string[, pos[, endpos]]) operation / findall(string[, pos[, endpos]])
• findall operation / findall(string[, pos[, endpos]])
• finditer(string[, pos[, endpos]]) operation / finditer(string[, pos[, endpos]])
• flags per group
  • about / Flags per group

G

• greedy behavior
  • about / Greedy and reluctant quantifiers
• group([group1, …]) operation / group([group1, …])
• groupdict([default]) operation / groupdict([default])
• groupdict method / groupdict([default])
• Grouping
  • parentheses () / Introduction
  • capturing / Introduction
• groups([default]) operation / groups([default])

L

• literals / Literals
• look ahead
  • about / Look ahead
• look ahead and substitutions
  • about / Look around and substitutions
• look around
  • used, in groups / Look around and groups
• look behind
  • about / Look behind
  • negative look behind / Negative look behind

M

• match(string[, pos[, endpos]]) method / match(string[, pos[, endpos]])
• MatchObject
  • about / MatchObject
  • group([group1, …]) operation / group([group1, …])
  • group([group1, …]) operation / group([group1, …])
  • groups([default]) operation / groups([default])
  • groupdict([default]) operation / groupdict([default])
  • start([group]) operation / start([group])
  • end([group]) operation / end([group])
  • span([group]) operation / span([group])
  • expand(template) operation / expand(template)
• maxsplit parameter / split(string, maxsplit=0)
• module operations
  • escape() operation / escape()
  • purge() operation / purge()

N

• named groups
  • about / Named groups
• negative look ahead
  • about / Negative look ahead
• negative look behind / Negative look behind
• non-BMP
  • URL / What's new in Python 3
• non-capturing groups
  • using / Use non-capturing groups when appropriate
• non-greedy behavior
  • about / Greedy and reluctant quantifiers
• non capturing groups
  • about / Non-capturing groups
  • atomic groups / Atomic groups
• Nondeterministic Finite Automata (NFA) / Understanding the Python regex engine
• normalize_orders function / sub(repl, string, count=0)

O

• overlapping groups
  • about / Overlapping groups

P

• parentheses () / Introduction
• POSIX style support
  • URL / History, relevance, and purpose
• pos parameter / search(string[, pos[, endpos]])
• possessive quantifier
  • about / Greedy and reluctant quantifiers
• predefined character classes / Predefined character classes
• purge() operation / purge()
• Python
  • and other flavors, difference between / Differences between Python and other flavors
  • regular expression, benchmarking with / Benchmarking regular expressions with Python
• Python 3
  • about / What's new in Python 3
• Python 3.3
  • URL / What's new in Python 3

Q

• quantifiers
  • about / Quantifiers

R

• re.DOTALL / re.DOTALL or re.S
• re.escape method / Literals
• re.I / re.IGNORECASE or re.I
• re.IGNORECASE / re.IGNORECASE or re.I
• re.L / re.LOCALE or re.L
• re.LOCALE / re.LOCALE or re.L
• re.M / re.MULTILINE or re.M
• re.MULTILINE / re.MULTILINE or re.M
• re.S / re.DOTALL or re.S
• re.U / re.UNICODE or re.U
• re.UNICODE / re.UNICODE or re.U
• re.VERBOSE / re.VERBOSE or re.X
• re.X / re.VERBOSE or re.X
• recommendations, regular expression
  • compiled patterns, reusing / Reuse compiled patterns
  • common parts, extracting in alteration / Extract common parts in alternation
  • non-capturing groups, using / Use non-capturing groups when appropriate
• RegexBuddy
  • about / The RegexBuddy tool
  • URL / The RegexBuddy tool
• regex module
  • URL / Atomic groups
• RegexObject
  • about / RegexObject
  • searching / Searching
  • match(string[, pos[, endpos]]) method / match(string[, pos[, endpos]])
  • search(string[, pos[, endpos]]) operation / search(string[, pos[, endpos]])
  • findall(string[, pos[, endpos]]) operation / findall(string[, pos[, endpos]])
  • finditer(string[, pos[, endpos]]) operation / finditer(string[, pos[, endpos]])
  • string, modifying / Modifying a string
  • split(string, maxsplit=0) operation / split(string, maxsplit=0)
  • sub(repl, string, count=0) operation / sub(repl, string, count=0)
  • subn(repl, string, count=0) operation / subn(repl, string, count=0)
• Regular-Expressions.info
  • URL / The RegexBuddy tool
• regular expression
  • history / History, relevance, and purpose
  • literals / Literals
  • character classes / Character classes
  • predefined character classes / Predefined character classes
  • alternation / Alternation
  • quantifiers / Quantifiers
  • boundary matchers / Boundary Matchers
  • benchmarking, with Python / Benchmarking regular expressions with Python
• regular expression syntax
  • about / The regular expression syntax
• repl argument / sub(repl, string, count=0)

S

• search(string[, pos[, endpos]]) operation / search(string[, pos[, endpos]])
• span([group]) operation / span([group])
• split(string, maxsplit=0) operation / split(string, maxsplit=0)
• split operation / split(string, maxsplit=0)
• start([group]) operation / start([group])
• String Python 2.x
  • about / String Python 2.x
• sub(repl, string, count=0) operation / sub(repl, string, count=0)
• subn(repl, string, count=0) operation / subn(repl, string, count=0)

U

• Unicode
  • about / Unicode

Y

• yes-pattern|no-pattern
  • about / yes-pattern|no-pattern