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Having tried to drop a negative lookbehind regex into a Phing replaceregexp task and receiving the error:

BUILD FAILED
Error reading project file [wrapped: C:\path\to\build.xml:110:29: > required]
Total time: 0.4800 seconds

I see that the angle-bracket's a problem in the xml. Is there a way to specify a negative lookbehind regex in a build file, or is this something for a custom task?

My aim was to rename references in files to ".js" while leaving all extant '.min.js' references alone using something not unlike:

(<script)(.*)(src=\")(.*)(?<!\.min)(\.js\")
A.M. D.
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1 Answers1

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Dropping the regex into a properties file:

minify_path_regex=(<script)(.*)(src=\")(.*)(?<!\.min)(\.js\")

and then referencing:

<copy todir="${builddir}/custom_errors" >
    <filterchain>
        <replaceregexp>
            <regexp pattern="${minify_path_regex}" replace="\1\2\3\4.min\5" />
        </replaceregexp>
    </filterchain>
    <fileset refid="allPages" />
</copy>

But if there's a way to circumvent the xml/bracket problem inline I'd still love to know.

A.M. D.
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  • Thank you so much. The problem solved for me by placing the pattern in the build.properties instead of the build.xml. – John May 18 '21 at 06:00