Regular Expressions 101

Negative Lookahead(?!^)

^start of line

Group 1(\[[A-Z].*?\]\[\d+\])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Character Class[A-Z]

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

.*?any character (except for line terminators), repeated any number of times

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\d+a digit, repeated at least once

\]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.

Search reference

Regular Expression

(?!^)(\[[A-Z].*?\]\[\d+\])

New

[Some Text][1][Some [] Text][2]