Regular Expressions 101

Explanation

Pro

^start of line

Group 1(\S+(?=\s+\S+$)|\S+\s+\S+(?=\s+\S+$))

1st Alternative\S+(?=\s+\S+$)

\S+any character that is not Unicode whitespace, repeated at least once

Positive Lookahead(?=\s+\S+$)

\s+a Unicode whitespace character, repeated at least once

\S+any character that is not Unicode whitespace, repeated at least once

$end of line

2nd Alternative\S+\s+\S+(?=\s+\S+$)

\S+any character that is not Unicode whitespace, repeated at least once

\s+a Unicode whitespace character, repeated at least once

\S+any character that is not Unicode whitespace, repeated at least once

Positive Lookahead(?=\s+\S+$)

\s+a Unicode whitespace character, repeated at least once

\S+any character that is not Unicode whitespace, repeated at least once

$end of line

Global pattern flags

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

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

Detailed match information will be displayed here automatically.

25 tokens

^(\S+(?=\s+\S+$)|\S+\s+\S+(?=\s+\S+$))

New

New York Knicks
Detroit Pistons
Detroit Pistons 3 4