Regular Expressions 101

Pro

1st Alternative\A\w+

\Astart of string

\w+any word character, repeated at least once

2nd Alternative *= *

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

=the literal = (61₁₀ / 75₈ / 3D₁₆)

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

3rd Alternative(?:[^,]+, *){0,10}[^,]+\z

Non-Capturing Group(?:[^,]+, *){0,10}

{0,10}repeats the group contents below between 0 and 10 times:

Negated Character Class[^,]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

Negated Character Class[^,]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\zend of string

4th Alternative(?:[^,]+, *){9}

Non-Capturing Group(?:[^,]+, *){9}

{9}repeats the group contents below exactly 9 times:

Negated Character Class[^,]+

+matches at least one character outside the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

*the literal (32₁₀ / 40₈ / 20₁₆) , repeated any number of times

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

\A\w+| *= *|(?:[^,]+, *){0,10}[^,]+\z|(?:[^,]+, *){9}

New

animals = lizard, bird, bee, snake, whale, eagle, beetle, mule, hare, goose, horse, mouse, pig, dog, frog, bug, fish, duck, camel, squirrel, owl, chicken, pigeon, lion, sheep, bear, spider, deer, tiger, lobster, dinosaur, cat, goat, rat, cricket, rabbit, elephant, crow, fox, donkey, monkey, butterfly, crab, leopard, moth, shark, salmon, shrimp, mosquito, horseshoe crab