wsregex_iterator construction failed

[shen_jun_hua@…]

code segment:

std::wstring str = L"value(\"@methodSubType\", $method) =\"场地平整\""; static wregex blankPattern(L"
^{s+"); wsregex_iterator spaceIter(begin, end, blankPattern);}

call stack:

3.regex_iterator_implementation(const regex_type* p, BidirectionalIterator last, match_flag_type f)

: base(), end(last), re(*p), flags(f){}

2.regex_iterator(BidirectionalIterator a, BidirectionalIterator b,

const regex_type& re, match_flag_type m = match_default) : pdata(new impl(&re, b, m))

1.wsregex_iterator spaceIter(begin, end, blankPattern);

in regex_iterator_implementation, variable re init failed.the m_px of re is 0. this problem presents sometimes.

[John Maddock]

You will need to provide a complete, self contained test case for me to investigate.

However, this looks like it might be the usual C++ order-of-initialization issue, which is to say, I suspect you are constructing the regex_iterator in progam startup code before the static regex instance is constructed.

[John Maddock]

Please reopen if you can provide a test case.