library/cpp/regex/pire/pcre2pire.h


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#pragma once 
 
// Author: smikler@yandex-team.ru

#include <util/generic/string.h>

/* Converts pcre regular expression to pire compatible format:
 *   - replaces "\\#" with "#"
 *   - replaces "\\=" with "="
 *   - replaces "\\:" with ":"
 *   - removes "?P<...>"
 *   - removes "?:"
 *   - removes "()" recursively
 *   - replaces "??" with "?"
 *   - replaces "*?" with "*"
 * NOTE:
 *   - Not fully tested!
 */
TString Pcre2Pire(const TString& src);