Support for replacement based on a regular expression match. #1
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…in the value field.
Any string in the value for a Modify action which matches the form /foo/bar/ triggers the code.
foo can be a regular expression and bar is the string which replaces the match.
Example:
Action: Modify
Name: Host
Value: /^w{0,3}\.?domain.com$/192.168.254.65/
This will change www.domain.com and domain.com to 192.168.254.65 if found in the Host header.
Warning: This wouldn't work for matching '/' (such as in http://)
{RegEx}{replacement}
Changed from forward slash since users may want to match them in URLs such as in the Referer header.
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If the Header value for a Modify action is of the form
{RegEx}{replacement}
RegEx is a Regular expression
replacement is the string a matched header portion will be replaced with.
Perhaps some users may find this useful - to conditionally replace headers.
My master branch has changes which work replace the channel when the Host header is being modified, though I thought most users may not find that very useful.