Series.str.lastIndexOf

Obtain the position of the last found occurrence of a specified value in a string

danfo.Series.str.lastIndexOf(str) [source]

Parameters

Type

Description

Default

str

string

the string to search for

""

Returns: Series

Example

Node
Browser
Node
const dfd = require("danfojs-node")
let data = ['lower', 'CAPITALS', 'this is a sentence', 'SwApCaSe']
let sf = new dfd.Series(data)
sf.str.lastIndexOf("r").print()
Browser
Output
Output
╔═══╤══════════════════════╗
║ │ 0 ║
╟───┼──────────────────────╢
║ 0 │ 4 ║
╟───┼──────────────────────╢
║ 1 │ -1 ║
╟───┼──────────────────────╢
║ 2 │ -1 ║
╟───┼──────────────────────╢
║ 3 │ -1 ║
╚═══╧══════════════════════╝