| try_or_stop_print_pattern | R Documentation | 
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.
try_or_stop_print_pattern(expr, 
    pat, engine)
expr | 
 expression to try.  | 
pat | 
 regex pattern string.  | 
engine | 
 string: regex   | 
Toby Hocking <toby.hocking@r-project.org> [aut, cre]
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