REGEX-Escape for:
<a href="/admin/users/1139">

Your Input:

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Result, the escaped string:

\<a href\="\/admin\/users\/1139"\>

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What must the escaping look like for:
<a href="/admin/users/1139">

The escaped text for use in a regex is:

\<a href\="\/admin\/users\/1139"\>


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