Regular Expressions 101

Explanation

Pro

1st Alternative^(?:00?|\+)330?

^start of line

Non-Capturing Group(?:00?|\+)

1st Alternative00?

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

0?optionally matches the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative\+

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

33the literal text 33

0?optionally matches the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative(?!\n)\W

Negative Lookahead(?!\n)

\na line-feed (newline) character (ASCII 10)

\Wany non-word character

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

^(?:00?|\+)330?|(?!\n)\W

New

+331234567
+3301234567
00331234567
003301234567
0331234567
033-123-456-7
0033.1234567

+331234567
+3301234567
00331234567
003301234567
0331234567
033-123-456-7
0033.1234567