Regular Expressions 101

Group 1(\d+)

\d+a digit, repeated at least once

Group 2(\.|\s)

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative\s

\sany whitespace character

Group 3(\d+)?

?repeats the group contents below at most once:

\d+a digit, repeated at least once

Group 4(\.|\s|\.\s)

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative\s

\sany whitespace character

3rd Alternative\.\s

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\sany whitespace character

Group 5(\d+)

\d+a digit, repeated at least once

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

Regular Expression

(\d+)(\.|\s)(\d+)?(\.|\s|\.\s)(\d+)

New

LOONNEY    BVBA     0431.568 831
LOONNEY    BVBA     0431.568.832
LOONNEY    BVBA     0431 568.833
LOONNEY    BVBA     0431 568 834
Cock   number     1542 222. 325
Cock   number     1542.222. 326