Detecting HTML headers with regexp in Go

htmlheaderregexp.go

 // Credit to anonymous user at:                                               
  // https://play.golang.org/p/OfQ91QadBCH                                      
  // Match an h1 in Markdown                                                    
  h1, _ = regexp.Compile("(?m)^\\s*#{1}\\s*([^#\\n]+)$")                        
  // Match headers 2-6 in Markdown                                              
  anyHeader, _ = regexp.Compile("(?m)^\\s*#{2,6}\\s*([^#\\n]+)$")               
  // Match everything after the pound sign on a line starting with the pound    
sign                                                                            
  notPound, _ = regexp.Compile("(?m)[^#|\\s].*$")        


// header1() extracts the first h1 it finds in the markdown                     
func header1(s string) string {                                                 
  any := h1.FindString(strings.Trim(s, "\n\t\r"))                               
  if any != "" {                                                                
    return (notPound.FindString(any))                                           
  } else {                                                                      
    return ""                                                                   
  }                                                                             
}                                                                               
                                                                                
// header2To6() extracts the first h2-h2 it finds.                              
func header2To6(s string) string {                                              
  any := anyHeader.FindString(strings.Trim(s, "\n\t\r"))                        
  if any != "" {                                                                
    return notPound.FindString(any)                                             
  } else {                                                                      
    return ""                                                                   
  }                                                                             
}