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Regex Cheat Sheet/Non-word boundary

Match where a word boundary does not occur.

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Section: Anchors and Boundaries

Non-word boundary

regex
regex
\B
Explanation

Useful for matching substrings that must stay inside a larger token.

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Related commands

Same sheet · prioritizing Anchors and Boundaries
Word boundary
Match a transition between word and non-word characters.
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Start of string
Match only at the beginning of the input.
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End of string
Match only at the end of the input.
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Absolute start anchor
Match only at the absolute start of the entire string.
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Absolute end anchor
Match only at the absolute end of the entire string.
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Word character
Match a word character.
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