danfo.Series.str.substr(startIndex, num) [source]
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 |
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()
╔═══╤══════════════════════╗║ │ 0 ║╟───┼──────────────────────╢║ 0 │ wer ║╟───┼──────────────────────╢║ 1 │ APIT ║╟───┼──────────────────────╢║ 2 │ his ║╟───┼──────────────────────╢║ 3 │ SwAp ║╚═══╧══════════════════════╝