BUCKYVERSE

LaTeX Clean Up with Regex

  1. New line at the end of each sentence
    1. ([^.][a-z][.][ ]) Exclude first period to exclude abbreviations, any letter period space at the end of line
    2. $1\n Add new line after match
  2. New line after ;
    1. ([^.][a-z][;][ ])
    2. $1\n
  3. New line after ?
    1. ([^.][a-z][?][ ])
    2. $1\n
  4. New line after .
    1. ([^.][a-z][\.]["][ ])
    2. ``
  5. Remove multiple spaces between words in a sentence.
  6. New line at the end of each paragraph
  7. Change beginning double quote " to open quote ````
  8. Change ending double quote " to close quote ''
  9. --- to \textemdash
  10. ... to \textellipsis
  11. Space after abbreviations Dr.\ , Mr.\ , Mrs.\ , Ms.\ , Fig.\ , St.\ , U.S.A.\ , U. S.\ , U.S.S.R.\ , vs.\, Inc.\, N.\Y.\
  12. Fix World War II --- ll ii li il 11
  13. Escape $ in currencies, \$100 million
  14. Sentences ending with a capital letter should end with an end-of-sentence space-- \@, ex World War I\@. There were...
  15. En dash expected for range of numbers, 1990--94
  16. Abbreviation should be followed by a normal space, the G.I.\ soldiers
  17. Reference without a non-breaking space, ~\ref
  18. Missing a space after a comma but before a number ,\d+

Webstorm

Summary of regular-expression constructs

Characters

Construct Matches
x The character x
\ The backslash character
\0n The character with octal value 0n (0 <= n <= 7)
\0nn The character with octal value 0nn (0 <=n<= 7)
\0mnn The character with octal value 0mnn (0 <= m <= 3, 0 <= n <= 7)
\xhh The character with hexadecimal value 0xhh
\uhhhh The character with hexadecimal value 0xhhhh
\t The tab character ('\u0009')
\n The newline (line feed) character ('\u000A')
\r The carriage-return character ('\u000D')
\f The form-feed character ('\u000C')
\a The alert (bell) character ('\u0007')
\e The escape character ('\u001B')
\cx The control character corresponding to x

Character classes

Construct Matches
abc a, b, or c (simple class)
[^abc] Any character except a, b, or c (negation)
a-zA-Z a through z or A through Z, inclusive (range)
a-dm-p a through d, or m through p: a-dm-p (union)
a-z&&def d, e, or f (intersection)
a-z&&[^bc] a through z, except for b and c: ad-z (subtraction)
a-z&&[^m-p] a through z, and not m through p: a-lq-z (subtraction)

Predefined character classes

Construct Matches
. Any character (may or may not match line terminators)
\d A digit: 0-9
\D A non-digit: [^0-9]
\s A whitespace character: \t\n\x0B\f\r
\S A non-whitespace character: [^\s]
\w A word character: a-zA-Z_0-9
\W A non-word character: [^\w]

POSIX character classes (US-ASCII only)

Construct Matches
\p A lower-case alphabetic character: a-z
\p An upper-case alphabetic character:A-Z
\p All ASCII:\x00-\x7F
\p An alphabetic character:\p\p
\p A decimal digit: 0-9
\p An alphanumeric character:\p\p
\p Punctuation: One of !"#$%&'()*+,-./:;=>?@]^_`~ |
\p A visible character: \p\p
\p A printable character: \p\x20
\p A space or a tab: \t
\p A control character: \x00-\x1F\x7F
\p A hexadecimal digit: 0-9a-fA-F
\p A whitespace character: \t\n\x0B\f\r

java.lang.Character classes (simple java character type)

Construct Matches
\p Equivalent to java.lang.Character.isLowerCase()
\p Equivalent to java.lang.Character.isUpperCase()
\p Equivalent to java.lang.Character.isWhitespace()
\p Equivalent to java.lang.Character.isMirrored()

Classes for Unicode blocks and categories

Construct Matches
\p A character in the Greekblock (simple block)
\p An uppercase letter (simple category)
\p A currency symbol
\P Any character except one in the Greek block (negation)
\p&&[^\p] Any letter except an uppercase letter (subtraction)

Boundary matchers

Construct Matches
^ The beginning of a line
$ The end of a line
\b A word boundary
\B A non-word boundary
\A The beginning of the input
\G The end of the previous match
\Z The end of the input but for the final terminator, if any
\z The end of the input

Greedy quantifiers

Construct Matches
X? X, once or not at all
X* X, zero or more times
X+ X, one or more times
X X, exactly n times
X X, at least n times
X X, at least n but not more than m times

Reluctant quantifiers

Construct Matches
X?? X, once or not at all
X*? X, zero or more times
X+? X, one or more times
X? X, exactly n times
X? X, at least n times
X? X, at least n but not more than m times

Possessive quantifiers

Construct Matches
X?+ X, once or not at all
X*+ X, zero or more times
X++ X, one or more times
X+ X, exactly n times
X+ X, at least n times
X+ X, at least n but not more than m times

Logical operators

Construct Matches
XY X followed by Y
X| Y Either X or Y
(X) X, as a capturing group

Back references

Construct Matches
\n Whatever the nth capturing group matched

Quotation

Construct Matches
\ Nothing, but quotes the following character
\Q Nothing, but quotes all characters until \E
\E Nothing, but ends quoting started by \Q

Special constructs (non-capturing)

Construct Matches
(?:X) X, as a non-capturing group
(?idmsux-idmsux) Nothing, but turns match flags on - off
(?idmsux-idmsux:X) X, as a non-capturing group with the given flags on - off
(?=X) X, via zero-width positive lookahead
(?!X) X, via zero-width negative lookahead
(?<=X) X, via zero-width positive lookbehind
(?<!X) X, via zero-width negative lookbehind
(?>X) X, as an independent, non-capturing group

More on Regular Expressions:

  1. Full Java Regular Expressions syntax description
  2. Using Regular Expressions in Java.

Regex Resources

  1. Regex 101
  2. Debuggex