Series.str.concat

Joins two or more strings/arrays

danfo.Series.str.concat(other, position, options) [source]

Parameters	Type	Description	Default
other	string or Array	string or list of strings to add to each string element of the series	""
position	Int	The position to add the other (string or array) is either 0 or 1. 0 is to add the other at the beginning of each of the string element, and 1 is to add to the end of the string element	1
options	Object	inplace: Whether to perform the operation in-place or not.	{ inplace: false }

Returns: Series (String element)

Examples

Add the strings from an Array to the start of each of the String element in Series

Node

const dfd = require("danfojs-node")

let data = ['lower boy', 'CAPITALS', 'sentence', 'SwApCaSe']
let data2 = ['XX', 'YY', 'BB', '01']
let sf = new dfd.Series(data)
sf.str.concat(data2,0).print()

Browser

Output

╔═══╤══════════════════════╗
║   │ 0                    ║
╟───┼──────────────────────╢
║ 0 │ XXlower boy          ║
╟───┼──────────────────────╢
║ 1 │ YYCAPITALS           ║
╟───┼──────────────────────╢
║ 2 │ BBsentence           ║
╟───┼──────────────────────╢
║ 3 │ 01SwApCaSe           ║
╚═══╧══════════════════════╝

Add the strings from an Array to the end of each of the String element in Series

Node

const dfd = require("danfojs-node")

let data = ['lower boy', 'CAPITALS', 'sentence', 'SwApCaSe']
let data2 = ['XX', 'YY', 'BB', '01']
let sf = new dfd.Series(data)
sf.str.concat(data2,1).print()

Browser

Output

╔═══╤══════════════════════╗
║   │ 0                    ║
╟───┼──────────────────────╢
║ 0 │ lower boyXX          ║
╟───┼──────────────────────╢
║ 1 │ CAPITALSYY           ║
╟───┼──────────────────────╢
║ 2 │ sentenceBB           ║
╟───┼──────────────────────╢
║ 3 │ SwApCaSe01           ║
╚═══╧══════════════════════╝

Add a string to the start of each string element in a Series

Output

const dfd = require("danfojs-node")

let data = ['lower boy', 'CAPITALS', 'sentence', 'SwApCaSe']
let data2 = ['XX', 'YY', 'BB', '01']
let sf = new dfd.Series(data)
sf.str.concat("pre",0).print()

Browser

Output

╔═══╤══════════════════════╗
║   │ 0                    ║
╟───┼──────────────────────╢
║ 0 │ prelower boy         ║
╟───┼──────────────────────╢
║ 1 │ preCAPITALS          ║
╟───┼──────────────────────╢
║ 2 │ presentence          ║
╟───┼──────────────────────╢
║ 3 │ preSwApCaSe          ║
╚═══╧══════════════════════╝

Add a string to the end of each string element in a series

Node

const dfd = require("danfojs-node")

let data = ['lower boy', 'CAPITALS', 'sentence', 'SwApCaSe']
let data2 = ['XX', 'YY', 'BB', '01']
let sf = new dfd.Series(data)
sf.str.concat("post",1).print()

Browser

╔═══╤══════════════════════╗
║   │ 0                    ║
╟───┼──────────────────────╢
║ 0 │ lower boypost        ║
╟───┼──────────────────────╢
║ 1 │ CAPITALSpost         ║
╟───┼──────────────────────╢
║ 2 │ sentencepost         ║
╟───┼──────────────────────╢
║ 3 │ SwApCaSepost         ║
╚═══╧══════════════════════╝