regex101: Finnish Mobile Number Validation

^start of line

Group 1((04[0-9]{1})(\s?|-?)|050(\s?|-?)|0457(\s?|-?)|[+]?358(\s?|-?)50|0358(\s?|-?)50|00358(\s?|-?)50|[+]?358(\s?|-?)4[0-9]{1}|0358(\s?|-?)4[0-9]{1}|00358(\s?|-?)4[0-9]{1})

1st Alternative(04[0-9]{1})(\s?|-?)

Group 2(04[0-9]{1})

04the literal text 04

Character Class[0-9]{1}

{1}matches one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 3(\s?|-?)

1st Alternative\s?

\s?optionally matches any whitespace character

2nd Alternative-?

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

2nd Alternative050(\s?|-?)

050the literal text 050

Group 4(\s?|-?)

1st Alternative\s?

\s?optionally matches any whitespace character

2nd Alternative-?

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

3rd Alternative0457(\s?|-?)

0457the literal text 0457

Group 5(\s?|-?)

1st Alternative\s?

\s?optionally matches any whitespace character

2nd Alternative-?

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

4th Alternative[+]?358(\s?|-?)50

Character Class[+]?

?matches at most one character from the set below:

+the literal + (43₁₀ / 53₈ / 2B₁₆)

358the literal text 358

Group 6(\s?|-?)

1st Alternative\s?

\s?optionally matches any whitespace character

2nd Alternative-?

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

50the literal text 50

5th Alternative0358(\s?|-?)50

0358the literal text 0358

Group 7(\s?|-?)

1st Alternative\s?

\s?optionally matches any whitespace character

2nd Alternative-?

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

50the literal text 50

6th Alternative00358(\s?|-?)50

00358the literal text 00358

Group 8(\s?|-?)

50the literal text 50

7th Alternative[+]?358(\s?|-?)4[0-9]{1}

8th Alternative0358(\s?|-?)4[0-9]{1}

9th Alternative00358(\s?|-?)4[0-9]{1}

Group 12(\s?|-?)

Group 13(([0-9]{3,4})(\s|\-)?[0-9]{1,4})

$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

Search reference

Regular Expression

^((04[0-9]{1})(\s?|-?)|050(\s?|-?)|0457(\s?|-?)|[+]?358(\s?|-?)50|0358(\s?|-?)50|00358(\s?|-?)50|[+]?358(\s?|-?)4[0-9]{1}|0358(\s?|-?)4[0-9]{1}|00358(\s?|-?)4[0-9]{1})(\s?|-?)(([0-9]{3,4})(\s|\-)?[0-9]{1,4})$

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Regular Expressions 101

Regular Expression

Extraction