Convert Relative Paths to Absolute Using Regular Expressions

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Convert Relative Paths to Absolute Using Regular Expressions

submitted by

rimsystems 1 year, 2 months ago

code.nontalk.com — I ran into a situation where I needed to screen scrape some content from a site and display it on my own site. This works really well except for dependent files like javascripts, SWFs and images that had src attributes with relative paths. So I figured it wouldn't be that hard to create a helper method to find and replace them using Regular Expressions.

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Regular Expressions | Views: 10 | Get KickIt image code

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Comments:

The code is wrong.

It will not output

img src="http://www.nontalk.com/images/dot.gif, it will output img src="http://www.nontalk.com/mages/dot.gif because it says: match src|href followed by any character that is not h, t, or p. If the url started with h or t or p, the regex wouldn't match at all. I think he wanted a negative lookahead rather than a negated character class. E.g., (?!http)

posted by aquinas 1 year, 2 months ago

good catch! You are right. I updated the code.

posted by

nontalk 1 year, 2 months ago