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mod_rewrite Cheat Sheet by DaveChild

7 Comments   |   Add a Comment   |   PDF Download   |   Find:

mod_rewrite Tutorials

mod_rewrite RewriteRule Flags

C Chained with next rule
CO=cookie Set specified cookie
E=var:­value Set enviro­nmental variable “var” to “value”
F Forbidden (403 header)
G Gone - no longer exists
H=handler Set handler
L Last - stop processing rules
N Next - continue processing
NC Case insens­itive
NE Do not escape output
NS Ignore if subrequest
P Proxy
PT Pass through
R[=code] Redirect to new URL, with optional code (see below)
QSA Append query string
S=x Skip next x rules
T=mime­-type Set mime type

mod_rewrite RewriteCond Flags

NC Case insens­itive
OR Combine with next rule using 'OR' instead of the default of 'AND'

Redirection Header Codes

301 Moved perman­ently
302 Moved tempor­arily (default)

mod_rewrite Directives

Rewrit­eEngine
Rewrit­eOp­tions
RewriteLog
Rewrit­eLo­gLevel
Rewrit­eLock
RewriteMap
Rewrit­eBase
Rewrit­eCond
Rewrit­eRule
 

Regular Expressions Syntax

^ Start of string
$ End of string
. Any single character
(a|b) a or b
(...) Group section
[abc] In range (a, b or c)
[^abc] Not in range
\s White space
a? Zero or one of a
a* Zero or more of a
a*? Zero or more, ungreedy
a+ One or more of a
a+? One or more, ungreedy
a{3} Exactly 3 of a
a{3,} 3 or more of a
a{,6} Up to 6 of a
a{3,6} 3 to 6 of a
a{3,6}? 3 to 6 of a, ungreedy
\ Escape character
[:punct:] Any punctu­ation symbol
[:space:] Any space character
[:blank:] Space or tab

There's an excellent regular expression tester at: http:/­/re­gex­pal.com/

mod_rewrite Server Variables: HTTP Headers

%{HTTP­_US­ER_­AGENT}
%{HTTP­_RE­FERER}
%{HTTP­_CO­OKIE}
%{HTTP­_FO­RWA­RDED}
%{HTTP­_HOST}
%{HTTP­_PR­OXY­_CO­NNE­CTION}
%{HTTP­_AC­CEPT}

mod_rewrite Server Variables: Server Internals

%{DOCU­MEN­T_ROOT}
%{SERV­ER_­ADMIN}
%{SERV­ER_­NAME}
%{SERV­ER_­ADDR}
%{SERV­ER_­PORT}
%{SERV­ER_­PRO­TOCOL}
%{SERV­ER_­SOF­TWARE}
 

mod_rewrite Sample Rule: Site Moved

# Site moved perman­ently
Rewrit­eCond %{HTTP­_HOST} ^www.d­oma­in.com$ [NC]
Rewrit­eRule ^(.*)$ http:/­/ww­w.d­oma­in2.com/$1 [R=301,L]

Rewrites domain.com to domain­2.com

mod_rewrite Sample Rule: Temporary Page Move

# Page has moved tempor­arily
Rewrit­eRule ^page.h­tml$ new_pa­ge.html [R,NC,L]

Rewrites domain.co­m/p­age.html to domain.co­m/n­ew_­pag­e.html

mod_rewrite Sample Rule: Nice URLs

# Nice URLs (no query string)
Rewrit­eRule ^([A-Z­a-z­0-9­-]+)/?$ catego­rie­s.p­hp?­name=$1 [L]

Rewrites domain.co­m/c­ate­gor­y-n­ame-1/ to domain.co­m/c­ate­gor­ies.ph­p?n­ame­=ca­teg­ory­-name-1

mod_rewrite Server Variables: Special

%{API_­VER­SION}
%{THE_­REQ­UEST}
%{REQU­EST­_URI}
%{REQU­EST­_FI­LENAME}
%{IS_S­UBREQ}
%{HTTPS}

mod_rewrite Server Variables: Request

%{REMO­TE_­ADDR}
%{REMO­TE_­HOST}
%{REMO­TE_­PORT}
%{REMO­TE_­USER}
%{REMO­TE_­IDENT}
%{REQU­EST­_ME­THOD}
%{SCRI­PT_­FIL­ENAME}
%{PATH­_INFO}
%{QUER­Y_S­TRING}
%{AUTH­_TYPE}

mod_rewrite Server Variables: Time

%{TIME­_YEAR}
%{TIME­_MON}
%{TIME­_DAY}
%{TIME­_HOUR}
%{TIME­_MIN}
%{TIME­_SEC}
%{TIME­_WDAY}
%{TIME}
Pinterest

Favourited by 22 Members:

michaelfox nschurdell DaveChild redware xcjjzh gissehel adrienne rexington jdmyers naesk gLes sebbu simoneast schrodervictor pneumatix crss1138 emre avalitan Epoc akramwaseem ifdattic Dranzz

Comments

Beau Garcia Beau Garcia, 10:01 23 Feb 12

Nice work Dave. One of the better references I've found.

Dave Dave, 08:52 20 May 12

I had to disable JavaScript to highlight the text due to the silly sliding tile thing.

John John, 08:52 20 May 12

I keep having to turn off JavaScript!!!!!!!!!!!!!!!!!!!!!

Guy Chapman Guy Chapman, 10:31 1 Jul 12

Nice. Concise and well presented. Thanks.

vaibhav jain vaibhav jain, 14:37 21 Dec 12

thanks sir . i am beginner in web developing. thanks for help . i will use your code for rewrite my query string

panzz panzz, 08:43 16 Feb 13

what is ungreedy mean ?

Marvin Giron Marvin Giron, 10:32 29 May 13

I have a question: ¿How can I write a rule what redirect from a URL to URL:PORT

Add a Comment

Comment:

Contents

A mod_re­write Cheat Sheet - a quick reference guide for mod_re­write, with rewrite flags, regular expression syntax and sample rules.

Column Content Comments Author Updated
- mod_rewrite Cheat Sheet DaveChild 12 Feb 12
1 mod_rewrite Tutorials 0 DaveChild 10 Oct 11
mod_rewrite RewriteRule Flags 0 DaveChild 10 Oct 11
mod_rewrite RewriteCond Flags 0 DaveChild 10 Oct 11
Redirection Header Codes 0 DaveChild 10 Oct 11
mod_rewrite Directives 0 DaveChild 10 Oct 11
2 Regular Expressions Syntax 0 DaveChild 10 Oct 11
mod_rewrite Server Variables: HTTP Headers 0 DaveChild 10 Oct 11
mod_rewrite Server Variables: Server Internals 0 DaveChild 10 Oct 11
3 mod_rewrite Sample Rule: Site Moved 0 DaveChild 10 Oct 11
mod_rewrite Sample Rule: Temporary Page Move 0 DaveChild 10 Oct 11
mod_rewrite Sample Rule: Nice URLs 0 DaveChild 10 Oct 11
mod_rewrite Server Variables: Special 0 DaveChild 10 Oct 11
mod_rewrite Server Variables: Request 0 DaveChild 10 Oct 11
mod_rewrite Server Variables: Time 0 DaveChild 10 Oct 11

Cheatographer

DaveChild DaveChild
www.addedbytes.com

More by DaveChild

Cheat Sheet Stats

7,278 Downloads and 13,620 Views

Tags

apache, development, htaccess, lamp, linux, mod-rewrite, rewrite, server, sysadmin

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