Word Pronunciation & Dictionary

positive lookahead

Word Rarity Very rare

Frequency: Zipf frequency 1.80 in modern English

Syllables: pos-i-tive looka-head
IPA

30

Scrabble Score

17

Letters

4

Syllables

12

Unique Chars

Meaning

noun

The analysis of the subsequent characters presence before the regular expression is matched (symbol: ?=).

Countable; Uncountable

Example Sentences

"Negative lookahead works just like positive lookahead, except that whereas positive lookahead matches when the regex inside the lookahead matches, negative lookahead matches when the regex inside the lookahead failed to match."

Etymology

From positive + lookahead.

Usage

Inflected Forms

positive lookaheads (plural)

Questions

What does positive lookahead mean?: The analysis of the subsequent characters presence before the regular expression is matched (symbol: ?=).
Where does positive lookahead come from?: From positive + lookahead.

How to pronounce positive lookahead

Open the pronunciation page — Open the Speakur entry for “positive lookahead”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
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