From: John Maddock (john_at_[hidden])
Date: 2006-04-04 05:17:14
>> I'm trying to use boost-regex in my project that doesn't support
>> exceptions. Thus, when constructing a regular expression with
>> boost::regex expression(expr); and passig an invalid regular
>> expression, my program crashes.
>> What can I do to make sure my regular expression is valid before
>> passing it to exception-throwing methods like that one?
There is a no_except flag that can be passed the regex constructor/assign
methods to disable throwing of exceptions:
boost::regex e("bad**string", boost::regex_constants::perl |
std::cout << "oops" << std::endl;
However, I notice that I removed all mention of this from the docs when I
updated the interface to match the TR1 spec. It's non-the-less still
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