lookbehind

名词 n.

英文释义

名词 n.
  1. The analysis of the preceding characters before the regular expression is matched. countable,uncountable
    — [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.

词形变化

lookbehinds plural

词源

Deverbal from look behind.
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