Iterate through a page headings

[alexandros]

@Morteza_Karimi

But is there a way to retrieve the capturing group in Hugo?

For an example using a captured group in the replaceRE function see:

Performing functions on a captured group in replaceRE

May be you just need to change $1 (and so on) to ${1}? I know for fact that this works (because it looks like you are doing something similar Looks like you are doing something else … not sure why you are inserting the id, because Hugo/Blackfriday is already doing that for you) Snippet from above link: {{ $content = $content | replaceRE "(<h[2-9] id=\"([^\"]+)\".+)(</h[2-9]+>)" `${1}&nbsp;<a class="headline-

Not sure how you could retrieve the captured group with findRE.

Also there are a few more topics in the forum about your question, look them up perhaps you find something else.