Series.str.indexOf

the position of the first found occurrence of a specified value in a string

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

Parameters

Type

Description

Default

str

string

the string to obtain its index

""

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.indexOf("C").print()
Browser
Output
Output
╔═══╤══════════════════════╗
║ │ 0 ║
╟───┼──────────────────────╢
║ 0 │ -1 ║
╟───┼──────────────────────╢
║ 1 │ 0 ║
╟───┼──────────────────────╢
║ 2 │ -1 ║
╟───┼──────────────────────╢
║ 3 │ 4 ║
╚═══╧══════════════════════╝