Regular Expressions 101

#the literal # (35₁₀ / 43₈ / 23₁₆)

Character Class[a-f0-9]{6}

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

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

Non-Capturing Group(?:,\s*#[a-f0-9]{6})?

?repeats the group contents below at most once:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\s*any whitespace character, repeated any number of times

#the literal # (35₁₀ / 43₈ / 23₁₆)

Character Class[a-f0-9]{6}

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

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

No unit tests · Add a test to get started

Search reference

Regular Expression

#[a-f0-9]{6}(?:,\s*#[a-f0-9]{6})?

There are no unit tests, click to add some.