Match nth subpattern

\n

Usually referred to as a `backreference`, this will match a repeat of the text captured in a previous set of parentheses.

Examples

PCRE PYTHON JAVASCRIPT

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<!-- Embed Regex Token: \n -->
<code class="regex-token">\n</code> - Match nth subpattern
<small><a href="https://testregex.com/cheatsheet/match-nth-subpattern">See details</a></small>