complete doc tranlation
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othree
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@ -5,7 +5,7 @@
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Maintainer: othree <othree@gmail.com>
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Version: 2.56
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Required: Vim version 6.1
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Note: eregex.vim is used to convert regexp notation.
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Note: eregex.vim is used to convert regexp notation style.
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eregex_e.vim is used to map command for eregex.vim.
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1. License |eregex-license-to-use|
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@ -28,7 +28,7 @@
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It is free to change and redistribute this script. You can think as an
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GPL License software.
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Author will not take any reponsibility for damages due to using this
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Author will not take any responsibility for damages due to using this
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script (eregex.vim, eregex_e.vim).
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==============================================================================
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@ -48,7 +48,6 @@ E2v({extendedregex} [, {iISCDMm}])
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>
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:let vimregex = E2v('(?<=abc),\d+,(?=xzy)','i')
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:echo vimregex
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\c\%(abc\)\@<=,\d\+,\%(xzy\)\@=
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<
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Detail of option value can be found at |eregex-options|
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or |eregex-multiline|
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@ -102,7 +101,7 @@ E2v({replacement}, {R1,R2,R3})
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(1) :E2v command
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Change the regexp notation of the cursor line.
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Change the regexp notation style of the cursor line.
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(\d{1,3})(?=(\d\d\d)+($|\D))
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@ -196,12 +195,11 @@ nnoremap ,? /
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7. Principle *eregex-principle*
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eregex.vim adopts the way of extended regex about "alternation",
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"repetition" and "grouping".
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eregex.vim において、
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==============================================================================
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8. Convert Table *eregex-table*
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Perl notation on left side. Vim notation('magic') on right side.
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Perl style on left side. Vim style ('magic') on right side.
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Alternation
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--------------------
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@ -246,9 +244,9 @@ Not support
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Vim doesn't support these features.
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(?i:a) and (?-i) neither.
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Unusable Vim notation
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Unusable Vim regexp notation
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--------------------
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\%(re\) 等、パレン(丸カッコ) を使うもの全般。
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\%(re\) and square rackets
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~ matches the last given substitute string
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\m 'magic' on for the following chars in the pattern
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\M 'magic' off for the following chars in the pattern
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@ -256,11 +254,11 @@ Unusable Vim notation
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\V the following chars in the pattern are "very nomagic"
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\x hex digit: [0-9A-Fa-f]
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\\x[0-9A-Fa-f]{1,2} の場合、文字そのものに変換する。
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\\x[0-9A-Fa-f]{1,2} will change to character.
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\x82\xa0 => '¤¢' ( shift-jis, cp932 )
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ただし、0x00 と 0x0a と 0x08 は変換しません。
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But 0x00 and 0x0a and 0x08 will not change.
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Usable Vim notations
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Usable Vim regexp notations
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--------------------
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\d, \D, \w, \W, \s, \S, \a, \A, \u, \U, \b, ...
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\<, \>, \zs, \ze
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@ -297,7 +295,7 @@ Usable Vim notations
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| /I | \C | Case sensitive |
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+--------+------+--------------------------------------------------------+
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| /S | | \s and \S becomes [ \t\r\n^L] and [^ \t\r^L] |
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| /C | | [] brack will also match line break. |
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| /C | | [] brackets will also match line break. |
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| /D | | Dot will match line break |
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+--------+------+--------------------------------------------------------+
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| /M | \M | Use /S and /C . Partial multiline support |
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@ -327,19 +325,16 @@ Usable Vim notations
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| (3) | :M/a\s[^az].z/m => /a[ \t\r\n^L]\_[^az]\_.z/ | /a\s[^az].z/m |
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+-----+----------------------------------------------+--------------------+
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(1) は、「文字クラス」が Vim 流。
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(2) は、「文字クラス」が Ruby 流。
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Vim 流に言えば、改行にマッチする所が増えたので、部分マルチライン。
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Ruby 流に言えば、マルチラインでない。よってオプションは大文字の M 。
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(3) は、いわゆる Ruby 流のマルチライン。
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(1) is Vim style character class.
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(2) is Ruby style character class.
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(3) is Ruby style multiline.
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Note:
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Vim の正規表現では、/[^az]/ は改行にマッチしません。
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改行にマッチしないことを明示して /[^az\n]/ と書く必要はありません。
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/[^az\n]/ は意図に反して改行にもマッチします。
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よって、本来 /[^ \t\r\n^L]/ とするべきところを、/[^ \t\r^L]/ に
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変換している場合があります。
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原則的に Vim では、[^...] の中に \n を書いてはいけません。
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In Vim style regexp, /[^az]/ will not match break line.
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But it is incorrect to to write /[^az\n]/ to point this out.
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/[^az\n]/ will match breakline.
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So we might use /[^ \t\r^L]/ instead of /[^ \t\r\n^L]/ .
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Just remember not write \n in [^...] .
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==============================================================================
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11. Limitation of Delimiter *eregex-limitation-of-delimiter*
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@ -411,11 +406,11 @@ Usable Vim notations
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Take $ for example
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$ is used in the following position
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(1) The last of Regexp notation.
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(1) The last of regexp.
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(2) Just before ) .
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(3) Just before | .
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ところが任意の場所で行末を表せるのが \_$ 。
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\_$ can be used anywhere to present as a line break.
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111,222,333
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>
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@ -423,9 +418,9 @@ Usable Vim notations
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<
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111,222,333,666
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ここで使っている \_$ の代わりに $ を使っても意図した結果になりません。
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If use $ instead of \_$ in this example will have different result.
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Note:
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\_^ と \_$ is totally different from /m option in perl Regexp.
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\_^ and \_$ is totally different from /m option in Perl regexp.
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==============================================================================
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