Regular Expressions 101

Pro

(?i)applies the following effective flags to the remainder of the pattern: gi

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Group 1(2|t([wo]o?|0))?

?repeats the group contents below at most once:

1st Alternative2

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

2nd Alternativet([wo]o?|0)

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case insensitive)

Group 2([wo]o?|0)

1st Alternative[wo]o?

Character Class[wo]

wthe literal w (119₁₀ / 167₈ / 77₁₆) (case insensitive)

othe literal o (111₁₀ / 157₈ / 6F₁₆) (case insensitive)

o?optionally matches the literal o (111₁₀ / 157₈ / 6F₁₆) (case insensitive)

2nd Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Group 3(b(ee?|3)?)?

?repeats the group contents below at most once:

bthe literal b (98₁₀ / 142₈ / 62₁₆) (case insensitive)

Group 4(ee?|3)?

?repeats the group contents below at most once:

1st Alternativeee?

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case insensitive)

e?optionally matches the literal e (101₁₀ / 145₈ / 65₁₆) (case insensitive)

2nd Alternative3

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

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

(?i)(2|t([wo]o?|0))?(b(ee?|3)?)?

New

2
to
too
two
t0
b
be
bee
b3

2
to
too
two
t0
b
be
bee
b3