Regular Expressions 101

Explanation

Pro

Non-Capturing Group(?:\s|\r)+

+repeats the group contents below at least once:

1st Alternative\s

\sany whitespace character

2nd Alternative\r

\ra carriage return (ASCII 13)

GOthe literal text GO (case sensitive)

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:\r|\n)

1st Alternative\r

\ra carriage return (ASCII 13)

2nd Alternative\n

\na line-feed (newline) character (ASCII 10)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

26 tokens

(?:\s|\r)+GO\s*(?:\r|\n)

1111111

GO

222222222
GO
3333333333


    GO		            

444444444444444
	 	 	 GO    	 	  	

 	 	 	

55555555555555

1111111

GO

222222222
GO
3333333333


    GO		            

444444444444444
	 	 	 GO    	 	  	

 	 	 	

55555555555555