try_or_stop_print_pattern {nc}

try or stop print pattern

Description

Try to run a capture function. If it fails we wrap the error message with a more informative message that also includes the generated pattern.

Usage

try_or_stop_print_pattern(expr, 
    pat, engine)

Arguments

expr

expression to try.

pat

regex pattern string.

engine

string: regex engine.

Author(s)

Toby Hocking <[e-mail]> [aut, cre]