test/plugins/cleanupIds.24.svg

Properly rename IDs, by matching them properly (exclude semicolons, include numbers)
See https://github.com/svg/svgo/issues/1775

===

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
  <circle cx="12" cy="12">
    <animate id="thing1" fill="freeze" attributeName="r" begin="0;thing2.end" dur="1.2s" values="0;11"/>
  </circle>
  <circle cx="12" cy="12">
    <animate id="thing2" fill="freeze" attributeName="r" begin="thing1.begin+0.2s" dur="1.2s" values="0;11"/>
  </circle>
</svg>

@@@

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
    <circle cx="12" cy="12">
        <animate id="b" fill="freeze" attributeName="r" begin="0;a.end" dur="1.2s" values="0;11"/>
    </circle>
    <circle cx="12" cy="12">
        <animate id="a" fill="freeze" attributeName="r" begin="b.begin+0.2s" dur="1.2s" values="0;11"/>
    </circle>
</svg>