Regular Expressions 101

Pro

Group 1([A-Z]|(?!\A)\G)

1st Alternative[A-Z]

Character Class[A-Z]

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

2nd Alternative(?!\A)\G

Negative Lookahead(?!\A)

\Astart of string

\Gstart of current search

Group 2(\d+z)

\d+a digit, repeated at least once

zthe literal z (122₁₀ / 172₈ / 7A₁₆) (case sensitive)

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

([A-Z]|(?!\A)\G)(\d+z)

New

A42z19z037z21zB942z21z4842zC33z449z3884z68z20z

A42z19z037z21zB942z21z4842zC33z449z3884z68z20z