Regular Expressions 101

Pro

(?m)applies the following effective flags to the remainder of the pattern: gim

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

^start of line

gothe literal text go (case insensitive)

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

$end of line

Global pattern flags

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

25 tokens

(?m)^go\s*$

New

aago go sdf
bbbgo go sdf gojh
go

zzzz bbb
go

sdkfgo go sdfd
go