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Editorial Team
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Asked: 2026-06-02T15:16:13+00:00

I am trying to write a URL rewriter rule in IIS7. My current reg

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I am trying to write a URL rewriter rule in IIS7.
My current reg expression is ^(policy|pricing|contact|gallery)/(.*)
My Rewrite rule is: /{R:1}.aspx?cat={R:2}

policy/ (Keep Slash in this case, WORKS)

gallery/soccer (No slash provided so this WORKS)

gallery/soccer/ (needs to remove last slash)

gallery/soccer/girls/ (needs to remove last slash)

Any ideas would be great, I know how I would approach this in languages like .Net, but I need to strictly do this as a regular expression rule in IIS.

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  1. Editorial Team

    I think the following should work:

    ^(policy|pricing|contact|gallery)/(.*?)/?$

    The /? at the end means “match a / one or zero times”, or in other words it is optional. Just adding this to the end wouldn’t work because a / would still be consumed by the .*, so we need to change the .* to .*? so that it is no longer greedy.

    The $ anchor is necessary so that the match doesn’t end too early.

    Note that the trailing / will still be a part of the match, but it will not be a part of the second capture group so your rewrite rule should work properly.

    See it working: http://www.rubular.com/r/s8IqIlaqoz

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