Regular Expressions 101

Explanation

Pro

^start of line

Non-Capturing Group(?:B,[0-9a-z]{6},\d+,\d+,0)

B,the literal text B, (case insensitive)

Character Class[0-9a-z]{6}

{6}matches exactly 6 characters from the set below:

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

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

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

,0the literal text ,0

Non-Capturing Group(?:\|B,[0-9a-z]{6},\d+,\d+,0)*

*repeats the group contents below any number of times:

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

B,the literal text B, (case insensitive)

Character Class[0-9a-z]{6}

{6}matches exactly 6 characters from the set below:

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

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

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

,0the literal text ,0

$end of line

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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Ready to run

26 tokens

^(?:B,[0-9a-z]{6},\d+,\d+,0)(?:\|B,[0-9a-z]{6},\d+,\d+,0)*$