Series.str.startsWith
Test whether a string begins with specified characters
danfo.Series.str.startsWith(str, options) [source]
Parameters
Type
Description
Default
str
string
the character(s) to check
""
options
Object
inplace: Whether to perform the operation in-place or not.
{
inplace: false
}
Returns: Series (Boolean element)
Examples
Node
Browser
const dfd = require("danfojs-node")
let data = ['lower', 'CAPITALS', 'this is a sentence', 'SwApCaSe']
let sf = new dfd.Series(data)
sf.str.startsWith("S").print()
Output
╔═══╤══════════════════════╗
║ │ 0 ║
╟───┼──────────────────────╢
║ 0 │ false ║
╟───┼──────────────────────╢
║ 1 │ false ║
╟───┼──────────────────────╢
║ 2 │ false ║
╟───┼──────────────────────╢
║ 3 │ true ║
╚═══╧══════════════════════╝
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