可替换多行的nginx反代替换模块

君行天下

比ngx_http_substitutions_filter_module 更强大的替换模块：replace-filter-nginx-module
这家伙能替换多行文本！
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/ c# L. V/ v/ O- W5 @- V下面只翻译一下，再加个安装教程，因为我自己也没弄懂怎样玩= =

; E* W3 L' \6 ~; n2 r; ` 1.安装此模块需要先安装sregex运行库

6 n4 u; R1 ~9 M" e# l[mw_shl_code=applescript,true]apt-get update;apt-get install git make gcc -y  #Centos改成yum
git clone https://github.com/agentzh/sregex
, w" s  _) ^; Pmake
make install
- Y) T: n, v* O" acd ..
git clone https://github.com/agentzh/replace-filter-nginx-module
1 q' h! K# u- v6 M+ I' h, Uwget http://nginx.org/download/nginx-1.2.6.tar.gz
% G- W9 i) x% X7 N7 \3 ?tar zxvf nginx-1.2.6.tar.gz
3 C- k2 x( P( G+ }* L& f  r% hcd nginx-1.2.6
./configure --add-module=../replace-filter-nginx-module  #自行加其他编译参数
make
  T6 C: @, j* H8 Qmake install[/mw_shl_code]
3 N8 f  d$ S8 {* p  rnginx.conf的用法举例：
# ^, w5 h6 d  ~[mw_shl_code=applescript,true]location /t {
    default_type text/html;
9 y0 M5 c% h" `& u# H7 @% X    echo abc;
    replace_filter 'ab|abc' X;
}
& G4 U7 ?' _, L/ [6 S
2 J5 i$ a% j* k2 klocation / {
; q6 `2 R* j' a, E, W$ i; M- F6 W7 Q$ q    # proxy_pass/fastcgi_pass/...
. I% B( l+ V& {/ \) Y9 X* g! h% }
& y, Q2 ~7 K0 P9 c- P    # caseless global substitution:
    replace_filter '\d+' 'blah blah' 'ig';
* _1 u2 l" R7 e4 X+ Q" x    replace_filter_types text/plain text/css;
}[/mw_shl_code]
& q( k0 M1 t4 Z$ c  I: a, ^, USyntax语法：
[mw_shl_code=applescript,true]^             匹配起始行数
$             匹配末尾行数
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\A match only at beginning of stream
5 h8 H+ Z3 |& {: W( {% _\z match only at end of stream

- D) r$ S! O! z1 j" V\b match a word boundary
\B match except at a word boundary
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. G2 w, M3 w; H, [& H2 {. match any char
\C match a single C-language char (octet)
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  V" M% ?+ ?2 d! K: w9 ], b[ab0-9] character classes (positive)
; G3 \# D9 g' f; N4 W[^ab0-9] character classes (negative)

/ B' x1 |- r- Z) Y$ S\d match a digit character ([0-9])
" A; j- t0 d" r( h5 e\D match a non-digit character ([^0-9])
- q4 _, K% c! t9 H
& O6 h: f( s% r& i0 Y- h. J' _3 j\s match a whitespace character ([ \f\n\r\t])
\S match a non-whitespace character ([^ \f\n\r\t])
7 V# s; ?) ]' w1 F: _6 z  F8 q
  _0 I& H6 C5 O, ?( a6 Z. A: U\h match a horizontal whitespace character
2 u9 n. I' J& H8 J2 G* [' u\H match a character that isn't horizontal whitespace
& G* U7 c) O% Y+ i3 @* F
\v match a vertical whitespace character
- d4 J% z% e5 [  o\V match a character that isn't vertical whitespace
0 E5 S  E; c% O/ Y
\w match a "word" character ([A-Za-z0-9_])
\W match a non-"word" character ([^A-Za-z0-9_])
4 n3 D! K* R3 Q( u
- }6 O$ E' V8 s) b/ G3 e0 A( s! Y8 v6 |\cK control char (example: VT)

\N match a character that isn't a newline
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% h; m) {6 y# Vab concatenation; first match a, and then b
2 I& ~# V. u7 Va|b alternation; match a or b
2 u4 Y! I  L) y; `% y( S- o. W
(a) capturing parentheses
(?:a) non-capturing parantheses
6 U8 t7 n( g  l
a? match 1 or 0 times, greedily
# w: N& `6 r8 }5 _a* match 0 or more times, greedily
9 m/ [4 B7 ?! h) w' \9 q) Ua+ match 1 or more times, greedily

! w" ~4 R. J( E2 e- b9 O% H8 ta?? match 1 or 0 times, not greedily
6 d8 v) U. Z5 n& C6 ^a*? match 0 or more times, not greedily
a+? match 1 or more times, not greedily
$ y- i- w% T; f* f) X( j" j
5 t& S! F1 Q. v2 M- R6 [a{n} match exactly n times
a{n,m} match at least n but not more than m times, greedily
a{n,} match at least n times, greedily
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a{n}? match exactly n times, not greedily (redundant)
a{n,m}? match at least n but not more than m times, not greedily
a{n,}? match at least n times, not greedily[/mw_shl_code]