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).
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const dfd = require("danfojs-node")
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let data = ['lower part ', ' CAPITALS city', ' this is a sentence', ' SwAp CaSe']
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let sf = new dfd.Series(data)
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sf.str.substr(2, 4).print()
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Output
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╔═══╤══════════════════════╗
2
║ │ 0 ║
3
╟───┼──────────────────────╢
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║ 0 │ wer ║
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╟───┼──────────────────────╢
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║ 1 │ APIT ║
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╟───┼──────────────────────╢
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║ 2 │ his ║
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╟───┼──────────────────────╢
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║ 3 │ SwAp ║
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╚═══╧══════════════════════╝
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Last modified 3mo ago
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