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

Substitution

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