POSIX Extended Regular Expression Syntax

Last modified: May 17, 2023

POSIX extended regular expressions can be constructed in Boost.Regex by passing the flag extended to the regex constructor.

boost::regex e1(my_expression boost::regex::extended);

Visit POSIX Extended Regular Expression Syntax for more information regarding...

  • Wildcards
  • Anchors
  • Marked sub-expressions
  • Repeats
  • Alternation
  • Character sets
  • Escapes
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