Regular Expressions 101

Pro

^start of line

\S+any non-whitespace character, repeated at least once

Non-Capturing Group(?: (?:OR|AND) \S+)*

*repeats the group contents below any number of times:

the literal (32₁₀ / 40₈ / 20₁₆)

Non-Capturing Group(?:OR|AND)

1st AlternativeOR

ORthe literal text OR (case sensitive)

2nd AlternativeAND

ANDthe literal text AND (case sensitive)

the literal (32₁₀ / 40₈ / 20₁₆)

\S+any non-whitespace character, 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+(?: (?:OR|AND) \S+)*$

New

dog OR cat AND dog
dog cat
"Dog" OR cat
Dog or cat and dog
cat OR dog AND "bob"
dog OR CAT OR