@odamizu...By any chance are you using Scrivener to convert to epub? I only mention this because Scrivener always uses <p> tags for main headings whenever you convert to epub.
If you are converting to epub using Scrivener then you can use my NormalizeScrivEpub plugin. This plugin, by default, automatically converts all your main <p> tag headings to <h1> tag headings. Only takes a couple of seconds and you don't have to use regex.
Last edited by slowsmile; 11-30-2017 at 08:14 PM.
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