Non-word boundary

\B

Matches, without consuming any characters, at the position between two characters matched by \w.

Examples

Match Sample:

regex is really cool

Regex Example:

r\B

JAVASCRIPT PYTHON PCRE

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Use this snippet to display this token on your own site.

<!-- Embed Regex Token: \B -->
<code class="regex-token">\B</code> - Non-word boundary
<small><a href="https://testregex.com/cheatsheet/non-word-boundary">See details</a></small>