parseUri: Split URLs in ColdFusion
Update: I've added a JavaScript implementation of the following UDF. See parseUri: Split URLs in JavaScript.
Here's a UDF I wrote recently which allows me to show off my regex skillz. parseUri() splits any well-formed URI into its components (all are optional).
The core code is already very brief, but I could replace everything within the <cfloop> with one line of code if I didn't have to account for bugs in the reFind() function (tested in CF7). Note that all components are split with a single regex, using backreferences. My favorite part of this UDF is its robust support for splitting the directory path and filename (it supports directories with periods, and without a trailing backslash), which I haven't seen matched in other URI parsers.
Since the function returns a struct, you can do, e.g., parseUri(uri).anchor, etc. Check it out:
Comment by hua on 24 August 2007:
very cool! thanks for sharing this.
one scope issue: line 35 “Variables.uriParts.pos” should be “uriParts.pos”
Comment by Stacey on 17 November 2009:
Found the same issue as hua… one suggestion, could you split the host part into subdomain and domain too?
Comment by Paolo on 29 July 2010:
Simple, robust and powerful UDF! Exactly what I looking for!
Great work!
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