Regular Expressions 101

Pro

^start of line

Non-Capturing Group(?:0x)?

?repeats the group contents below at most once:

0xthe literal text 0x (case sensitive)

Character Class[0-9A-F]+

+matches at least one character from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

Non-Capturing Group(?:[,\s-]+(?:0x)?[0-9A-F]+)*

*repeats the group contents below any number of times:

Character Class[,\s-]+

+matches at least one character from the set below:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\sany whitespace character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:0x)?

?repeats the group contents below at most once:

0xthe literal text 0x (case sensitive)

Character Class[0-9A-F]+

+matches at least one character from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

$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

Detailed match information will be displayed here automatically.

26 tokens

^(?:0x)?[0-9A-F]+(?:[,\s-]+(?:0x)?[0-9A-F]+)*$

New

0xAF,0xAF-0xAF 0xED
012345678901234567890123456789_0

0xAF,0xAF-0xAF 0xED
012345678901234567890123456789_0