expr3extrait: extracts the contents of parentheses from a character

In rbsb: set of ancillary functions

Description

returns a character vector with the contents of successive parentheses. Parentheses and text outside parentheses are eliminated.

Usage

expr3extrait(cara, opa="(", cpa=")")

Arguments

cara	character(1) to be considered.
opa	opening tag (character(1)).
cpa	closing tag (character(1)).

Details

Parenthesis are defined with 'opa' and 'cpa' arguments

Value

A character vector or nothing when there is no parentheses

Examples

 rbsb3k("reset"); # for R checking convenience
 expr3extrait('avant (8h) ce n_est pas l_heure, plus tard que (9h) non plus')

rbsb documentation built on May 2, 2019, 4:41 p.m.