Regular Expressions 101

^start of line

\d{1,3}a digit, repeated between 1 and 3 times

Non-Capturing Group(?:,\d{1,3}){0,3}

{0,3}repeats the group contents below between 0 and 3 times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d{1,3}a digit, repeated between 1 and 3 times

Non-Capturing Group(?: ; \d{1,3}(?:,\d{1,3}){0,3})*

*repeats the group contents below any number of times:

; the literal text ;

\d{1,3}a digit, repeated between 1 and 3 times

Non-Capturing Group(?:,\d{1,3}){0,3}

{0,3}repeats the group contents below between 0 and 3 times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d{1,3}a digit, repeated between 1 and 3 times

$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

Regular Expression

^\d{1,3}(?:,\d{1,3}){0,3}(?: ; \d{1,3}(?:,\d{1,3}){0,3})*$

New

10
10,10 ; 5,5
10,11,12,13 ; 20,30 ; 50

10 ,
10,10,999 ; 10,10 ,;
10,10 ; , 10;10,10
10 ;; 10