css force string to wrap
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<textarea style="width:100px; word-wrap:break-word;">
ACTGATCGAGCTGAAGCGCAGTGCGATGCTTCGATGATGCTGACGATGCTACGATGCGAGCATCTACGATCAGTC
</textarea>
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<span style="width:100px; word-wrap:break-word; display:inline-block;">
ACTGATCGAGCTGAAGCGCAGTGCGATGCTTCGATGATGCTGACGATGCTACGATGCGAGCATCTACGATCAGTC
</span>
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<tr style="overflow-wrap: anywhere"><td>1</td><td>2</td></tr>