ftftft - fudge these files to fit template

Regexes

The standard Javascript regex engine is used, so you can only use the features it supports (no lookbehind, for example)
You can however use PCRE's s modifier flag which extends . to match any character including newlines.

Regex	Replacement	Flags

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Template HTML

The transformed input HTML will be inserted to replace the string {insert} in this template to generate the preview.

<!DOCTYPE html>
<html>
  <body>
    <h1>Test</h1>
    <p>
      {insert}
    </p>
  </body>
</html>

ftftft fudge these files to fit template - a live regex hacking tool

Regexes

Template HTML

Input HTML

Output HTML

Preview