third_party/exiv2
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refactor: use POSIX regex syntax as that is what was used before

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This commit is contained in:
Christoph Hasse 2021-07-16 21:55:40 +02:00
parent d82980b563
commit 687b38a130
1 changed files with 2 additions and 2 deletions
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src/exiv2.cpp
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@ -445,8 +445,8 @@ int Params::evalGrep(const std::string& optArg)
auto pattern = bIgnoreCase ? optArg.substr(0, optArg.size() - 2) : optArg;
try {
// use grep syntax, optimize for faster matching, treat all sub expressions as unnamed
auto flags = std::regex::grep | std::regex::optimize | std::regex::nosubs;
// use POSIX syntax, optimize for faster matching, treat all sub expressions as unnamed
auto flags = std::regex::basic | std::regex::optimize | std::regex::nosubs;
flags = bIgnoreCase ? flags | std::regex::icase : flags;
// try and emplace regex into vector
// might throw if invalid pattern