Regular Expressions 101

Pro

Positive Lookbehind(?<=\[)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 1([a-z- A-Z]+)

Character Class[a-z- A-Z]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Positive Lookahead(?=\])

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

(?<=\[)([a-z- A-Z]+)(?=\])

New

[[[hello-hello]],[[hi-hi]]]

[[[hello-hello]],[[hi-hi]]]