Regular Expressions 101

Pro

^start of line

Character Class[0-9]{0,1}

{0,1}matches at most one character from the set below:

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

\.*the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated any number of times

Character Class[0-9]{0,3}

{0,3}matches between 0 and 3 characters from the set below:

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

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[0-9]{2,2}

{2,2}matches exactly 2 characters from the set below:

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

$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.

25 tokens

^[0-9]{0,1}\.*[0-9]{0,3},[0-9]{2,2}$