How to use rewritecond

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The RewriteCond directive defines a rule condition. There may be one or more RewriteCond instructions before a RewriteRule instruction, and the rules are applied to the current URL processing only if their own pattern matches successfully and these conditions are met.

RewriteCond usage

RewriteCondTestStringCondPattern [flags]

The RewriteCond directive defines a rule condition. There may be one or more RewriteCond instructions before a RewriteRule instruction, and the rule is applied to the current URL processing only if its own pattern matches successfully and these conditions are met.

RewriteCond syntax

1. TestString is a plain text string that, in addition to ordinary characters, can also include the following extensible structures:

1) $N:RewriteRule backward reference, where (0