Regular Expressions 101

Pro

Non-Capturing Group(?:[A-Z0-9]{8} ){7}

{7}repeats the group contents below exactly 7 times:

Character Class[A-Z0-9]{8}

{8}matches exactly 8 characters from the set below:

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

0-9one character from 0 (48₁₀) to 9 (57₁₀)

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[A-Z0-9]{8}

{8}matches exactly 8 characters from the set below:

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

0-9one character from 0 (48₁₀) to 9 (57₁₀)

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-Z0-9]{8} ){7}[A-Z0-9]{8}

New

1N2HY4C9 4JVNFYL8 4NCYTI84 12345678 QWERTYUI ASDFGHJK ZXCVBNMH QAZXSWED
PPOIUYTR 09876543 THNMJUIK MNBVCXZA 12345678 WDFGTYHJ TGBNHYTR QWERDDE3

1N2HY4C9 4JVNFYL8 4NCYTI84 12345678 QWERTYUI ASDFGHJK ZXCVBNMH QAZXSWED
PPOIUYTR 09876543 THNMJUIK MNBVCXZA 12345678 WDFGTYHJ TGBNHYTR QWERDDE3