I don't understand why, but the @- only has one element

That's the way capturing works if you have the "+" outside of the capturing parens (i.e. only the last match is captured).  Try putting the parens around the entire subpattern: 

    ((?:.<(?:symConstant|variable)>[^<]*</(?:symConstant|variable)>)+)

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This way you also don't need the foreach loop assembling $text — just set $text = $1

In reply to Re: regex replace using position loop by Eliya
in thread regex replace using position loop by nglenn

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