Regular Expressions 101

Explanation

Pro

\ban ASCII word boundary

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Positive Lookahead(?=,|$)

1st Alternative,

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternative$

$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

\b[1-9](?=,|$)

New

4/4/3001 1,21,3,42,5,63,7,84,9
12/01/3001 1,21,3,42,5,63,7,84,9

0$0

4/4/3001 1,21,3,42,5,63,7,84,9
12/01/3001 1,21,3,42,5,63,7,84,9