Regular Expressions 101

Non-Capturing Group(?:(?:\S+\s+){0,2})?

?repeats the group contents below at most once:

Non-Capturing Group(?:\S+\s+){0,2}

{0,2}repeats the group contents below between 0 and 2 times:

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

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

\ba Unicode word boundary

marblethe literal text marble (case sensitive)

\ba Unicode word boundary

\S*any character that is not Unicode whitespace, repeated any number of times

Non-Capturing Group(?:\s+\S+){0,2}

{0,2}repeats the group contents below between 0 and 2 times:

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

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

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(?:(?:\S+\s+){0,2})?\bmarble\b\S*(?:\s+\S+){0,2}

New

Right. This marble is as slippery as this marble. Kwoo-oooo-waaa! Ahhhk!