lookbehind en · NOUN
Etymology
Deverbal from look behind.
Meanings
-
(countable, qualifier:regular expressions, uncountable) The analysis of the preceding characters before the regular expression is matched.
[There] are times when it's useful to be able to look to the left of the current position being considered to see what the past had to say about a particular pattern. That is the purpose of lookbehinds.
2004, Mehran Habibi, Java Regular Expressions: Taming the java.util.regex Engine:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| lookbehinds | Number=Plur | lexicographic |
Hypernyms
Hyponyms
negative lookbehind (regular expressions) · positive lookbehind (regular expressions)