negative lookbehind

noun

The analysis of the preceding characters absence before the regular expression is matched (symbol: ?<!).

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounnegative lookbehind (countable and uncountable, plural negative lookbehinds)

plural negative lookbehinds

  1. countableuncountableregular expressionsThe analysis of the preceding characters absence before the regular expression is matched (symbol: ?<!).

Origin

From negative + lookbehind.

Full word history & related roots →
Cite this entry
APA

negative lookbehind. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/negative%20lookbehind

MLA

“negative lookbehind.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/negative%20lookbehind. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “negative lookbehind,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/negative%20lookbehind.

Source: negative lookbehind on Wiktionary, CC BY-SA 4.0.