Series.str.indexOf
the position of the first found occurrence of a specified value in a string
danfo.Series.str.indexOf(str, options) [source]
Parameters
Type
Description
Default
str
string
the string to obtain its index
""
options
Object
inplace: Whether to perform the operation in-place or not.
{
inplace: false
}
Returns: Series
Example
Node
Browser
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()
Output
╔═══╤══════════════════════╗
║ │ 0 ║
╟───┼──────────────────────╢
║ 0 │ -1 ║
╟───┼──────────────────────╢
║ 1 │ 0 ║
╟───┼──────────────────────╢
║ 2 │ -1 ║
╟───┼──────────────────────╢
║ 3 │ 4 ║
╚═══╧══════════════════════╝
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