Copy Editor: A RegEx Puzzle

Minimum:

• Requires a 64-bit processor and operating system
  
• OS *: Windows 7
  
• Processor: 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
  
• Memory: 500 MB RAM
  
• Graphics: Integrated Graphics
  
• Storage: 100 MB available space
  
• Sound Card: Any

Recommended:

• Requires a 64-bit processor and operating system

Minimum:

• OS: El Captain or later
  
• Processor: 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
  
• Memory: 500 MB RAM
  
• Graphics: Integrated Graphics
  
• Storage: 100 MB available space
  
• Sound Card: Any