Some hints about the syntax of regular expressions:
Text:
. Any single character
[chars] One of chars
[^chars] None of chars
text1|text2 text1 or text2
Quantifiers:
? 0 or 1 of the preceding text
* 0 or N of the preceding text (N > 0)
+ 1 or N of the preceding text (N > 1)
Grouping:
(text) Grouping of text
Anchors:
^ Start of line anchor
$ End of line anchor
Escaping:
\ char escape that particular char
Pattern Matching metacharacter Definitions
\ Use before any of the following characters to escape or null the meaning or it. \* \. \$ \+ \[ \]
^ Start matching at this point
$ End point of the match
. Any character
[] Starts a range
| Starts alternative match this|that would mean match this or that
() starts a back reference point
? match 0 or 1 time Quantifier
+ match atleast 1 or more times Quantifier
* match 0 to infinite times Quantifier
{} match minimum to maximum Quantifier {0,3} match up to 3 times
Range Definitions []
^ Negates the class. [^A-Z]+ means don’t match any uppercases
\ Use before any of the following characters to escape or null the meaning or it. [\+]+
- Range for matching [0-9]+ [a-zA-Z]+
Command Flag
[R] Redirect you can add an =301 or =302 to change the type.
[F] Forces the url to be forbidden. 403 header
[G] Forces the url to be gone 401 header
[L] Last rule. (You should use this on all your rules that don’t link together)
[N] Next round. Rerun the rules again from the start
[C] Chains a rewrite rule together with the next rule.
[T] use T=MIME-type to force the file to be a mime type
[NS] Use if no sub request is requested
[NC] Makes the rule case INsensitive
[QSA] Query String Append use to add to an existing query string
[NE] Turns of normal escapes that are default in the rewriterule
[PT] Pass through to the handler (together with mod alias)
Skip the next rule S=3 skips the next 3 rules
[E] E=var sets an enviromental variable that can be called by other rules
Load balance : Server 02
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