find_parenthesis: Helper to find first block of parenthesis

In evalR: Evaluation of Unverified Code

Helper to find first block of parenthesis

Description

This function will search for the first block of parenthesis and return it if found. Otherwise, it will return "".

Usage

find_parenthesis(text)

Arguments

text	the string/code/statement you want to parse.

Value

a substring. Either "" or the first parenthesis block.

Examples

# returns ""
find_parenthesis("3 + 5")
# returns "(3 + 5)"
find_parenthesis("2 * (3 + 5)")

evalR documentation built on Aug. 25, 2022, 5:06 p.m.