`str.startswith`

The counterpart of str.endswith, looking at the front of the string instead of the back. Both arguments are required.

str.startswith(const string source, const string prefix) → const bool

str.startswith(input string source, input string prefix) → input bool

str.startswith(series string source, series string prefix) → series bool

str.startswith(simple string source, simple string prefix) → simple bool

Parameter	Type	Required	Description
`source`	`const string`	yes	the string being examined
`prefix`	`const string`	yes	the opening to test for

Returns const bool or input bool or series bool or simple bool — A bool in the form of the arguments you pass.

indicator("Ticker starts with BTC")
plotshape(str.startswith(syminfo.ticker, "BTC"), title = "Starts with BTC")

See also str.contains · str.endswith · str.format_time

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