Regular Expressions 101

^start of line

Negative Lookahead(?!0$)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

$end of line

\d+a digit, repeated at least once

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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.

Search reference

Regular Expression

^(?!0$)\d+