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Series.str.substr
Obtain the substring from a String element in a Series, by specifying the number of string to obtain starting from a specific index.
Parameters | Type | Description | Default |
|---|---|---|---|
startIndex | Number | specify the index to start obtaining the substring | 0 |
num | Number | The number of character to obtain starting from the startIndex | 1 |
options | Object | inplace: Whether to perform the operation in-place or not. | { inplace: false } |
Returns:
**** return Series
Example
Obtain substring( containing 4 characters) starting from the third character (2nd index).
const dfd = require("danfojs-node")
let data = ['lower part ', ' CAPITALS city', ' this is a sentence', ' SwAp CaSe']
let sf = new dfd.Series(data)
sf.str.substr(2, 4).print()
Output
╔═══╤══════════════════════╗
║ │ 0 ║
╟───┼──────────────────────╢
║ 0 │ wer ║
╟───┼──────────────────────╢
║ 1 │ APIT ║
╟───┼──────────────────────╢
║ 2 │ his ║
╟───┼──────────────────────╢
║ 3 │ SwAp ║
╚═══╧══════════════════════╝
Last modified 1yr ago