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.

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()
Output
Output
╔═══╤══════════════════════╗
║   │ 0                    ║
╟───┼──────────────────────╢
║ 0 │ wer                  ║
╟───┼──────────────────────╢
║ 1 │ APIT                 ║
╟───┼──────────────────────╢
║ 2 │ his                  ║
╟───┼──────────────────────╢
║ 3 │ SwAp                 ║
╚═══╧══════════════════════╝
​

Series.str.substring

Series.str.slice

Last updated 8 months ago

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