Where does “positive lookbehind” come from?
positive lookbehind (English) comes from English lookbehind, from English Look, from French -er, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō — he, she.
positive lookbehind (English): The analysis of the preceding characters' presence before the regular expression is matched (symbol:?<=)
Definitions
- The analysis of the preceding characters' presence before the regular expression is matched (symbol:?<=)
Ancestry of “positive lookbehind”, step by step
positive lookbehind traces back through two separate lines of ancestry.
via English lookbehind
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | lookbehind | The analysis of the preceding characters before... |
| 2 | English | Look | To try to see, to pay attention to with one’s eyes |
| 3 | French | -er | Forms infinitives of first-conjugation verbs |
| 4 | English | -er | A person or thing that does an action indicated... |
| 5 | Middle English | -er | agentive suffix; agent noun suffix |
| 6 | Old French | -er | Alternative form of -ier, verbal suffix;... |
| 7 | Latin | -āre | first conjugation |
| 8 | Proto-Italic | -āō | Forms primarily denominative verbs |
| 9 | Proto-Indo-European | -eh₂yéti | Creates iterative/ frequentative/ intensive... |
| 10 | Proto-Indo-European | -yéti | Creates intransitive, often deponent,... |
| 11 | Proto-Indo-European | yé- | — |
| 12 | Chichewa | iye | he, she |