Regular Expressions 101

Pro

Negative Lookbehind(?<!\S)

\Sany character that is not Unicode whitespace

Non-Capturing Group(?:\&\&|\|\|)

1st Alternative\&\&

\&the literal & (38₁₀ / 46₈ / 26₁₆)

2nd Alternative\|\|

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Negative Lookahead(?!\S)

\Sany character that is not Unicode whitespace

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)

New

good && toast&&guest &fast& slow||wind ||old|| new || very good

good && toast&&guest &fast& slow||wind ||old|| new || very good