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  1. #include <iostream>
  2. #include <regex>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	regex Ainstruction("(\\\s*@)([a-zA-Z_$][a-zA-Z_$0-9]*$|([[:digit:]]+)");
  7.     cout << regex_match("   @R0",Ainstruction) << endl;
  8. 	return 0;
  9. }
Runtime error #stdin #stdout #stderr 0s 16160KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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terminate called after throwing an instance of 'std::regex_error'
  what():  Parenthesis is not closed.
https://ideone.com/KaPapB
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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