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demo

Language: Layout:
[ + ] Show input
Absolute running time: 0.21 sec, cpu time: 0.09 sec, memory peak: 8 Mb, absolute service time: 0,33 sec 
edit mode |  history 
/(?<!\w)check\ \+(?!\w)/
"you got a check+"
"You got a check+"


    
                		
                
                    

                          
                                
                                
                        
                         



                        
                        
                        

                        

                        
                        

                          
                                
                                
                                  

                                    
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                                      .NET NoSQL database for rapid development