str.match() - Pine Script Function

str.match()

Overview

Returns the new substring of the source string if it matches a regex regular expression, an empty string otherwise.

Syntax

str.match(source, regex) → simple string

Parameters

Name	Type	Description
source	simple string	Source string.

Returns

The new substring of the source string if it matches a regex regular expression, an empty string otherwise.

Remarks

• Function returns first occurrence of the regular expression in the source string.

Examples

Example 1

//@version=6
indicator("str.match")
s = input.string("It's time to sell some NASDAQ:AAPL!")// finding first substring that matches regular expression "[\w]+:[\w]+"var string tickerid = str.match(s, "[\\w]+:[\\w]+")
if barstate.islastconfirmedhistory
label.new(bar_index, high, text = tickerid) // "NASDAQ:AAPL"

See Also

• str.contains
• str.substring