Regular Expressions 101

Explanation

Pro

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1([A-Z]+)

Character Class[A-Z]+

+matches at least one character from the set below:

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

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Negative Lookahead(?!\1)

\1the text saved by group 1

Group 2([A-Z])

Character Class[A-Z]

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\1the text saved by group 1

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Negative Lookahead(?!\1)

\1the text saved by group 1

Negative Lookahead(?!\2)

\2the text saved by group 2

Group 3([A-Z])

Character Class[A-Z]

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

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

\(\(([A-Z]+)\+(?!\1)([A-Z])\)\.\(\1\+(?!\1)(?!\2)([A-Z])\)\)

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