regex101: PCRE (Legacy) Match Workspace

^start of line

Non-Capturing Group(?: (?:\+|00|011)[\.\/\-\ \t]* (?# group 1: country code after international dialing code) ([17]|2(?:[07]|[1-689]\d)|3(?:[0-4679]|[578]\d)|4(?:[013-9]|2\d)|5(?:[1-8]|[09]\d)|6(?:[0-6]|[789]\d)|8(?:[1246]|[035789]\d)|9(?:[0-58]|[679]\d)) [\.\/\-\ \t]* | (?# group 2: single-digit country code without international dialing code) ([17]) [\.\/\-\ \t]+(?# a separator is required for disambiguation) )?

?repeats the group contents below at most once:

1st Alternative (?:\+|00|011)[\.\/\-\ \t]* (?# group 1: country code after international dialing code) ([17]|2(?:[07]|[1-689]\d)|3(?:[0-4679]|[578]\d)|4(?:[013-9]|2\d)|5(?:[1-8]|[09]\d)|6(?:[0-6]|[789]\d)|8(?:[1246]|[035789]\d)|9(?:[0-58]|[679]\d)) [\.\/\-\ \t]*

Non-Capturing Group(?:\+|00|011)

1st Alternative\+

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

2nd Alternative00

00the literal text 00

3rd Alternative011

011the literal text 011

Character Class[\.\/\-\ \t]*

*matches any number of characters from the set below:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\ the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

Comment: group 1: country code after international dialing code

Group 1([17]|2(?:[07]|[1-689]\d)|3(?:[0-4679]|[578]\d)|4(?:[013-9]|2\d)|5(?:[1-8]|[09]\d)|6(?:[0-6]|[789]\d)|8(?:[1246]|[035789]\d)|9(?:[0-58]|[679]\d))

1st Alternative[17]

Character Class[17]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

2nd Alternative2(?:[07]|[1-689]\d)

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

Non-Capturing Group(?:[07]|[1-689]\d)

1st Alternative[07]

Character Class[07]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

2nd Alternative[1-689]\d

Character Class[1-689]

1-6one character from 1 (49₁₀) to 6 (54₁₀)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

\da digit

3rd Alternative3(?:[0-4679]|[578]\d)

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

Non-Capturing Group(?:[0-4679]|[578]\d)

1st Alternative[0-4679]

Character Class[0-4679]

0-4one character from 0 (48₁₀) to 4 (52₁₀)

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

2nd Alternative[578]\d

Character Class[578]

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

\da digit

4th Alternative4(?:[013-9]|2\d)

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

Non-Capturing Group(?:[013-9]|2\d)

1st Alternative[013-9]

Character Class[013-9]

2nd Alternative2\d

5th Alternative5(?:[1-8]|[09]\d)

6th Alternative6(?:[0-6]|[789]\d)

7th Alternative8(?:[1246]|[035789]\d)

8th Alternative9(?:[0-58]|[679]\d)

Character Class[\.\/\-\ \t]*

2nd Alternative (?# group 2: single-digit country code without international dialing code) ([17]) [\.\/\-\ \t]+(?# a separator is required for disambiguation)

Comment: group 3: area code between parentheses, optional

Non-Capturing Group(?:$(\d{1,4})$[\.\/\-\ \t]*)?

Comment: groups 4-7: leading groups of digits, may be empty

Non-Capturing Group(?:(\d{1,6})[\.\/\-\ ])?

Comment: group 8: start of the last group of digits, may be empty

Group 8(\d{0,10}?)

Comment: group 9: up to 4 digits at end of the last group of digits

Group 9(\d{1,4}+)

Non-Capturing Group(?: [\.\/\-;\ \t]*e?xt?[\.\/\-=\ \t]*+ (?# group 10: extension code, optional) (\d{1,14}) )?

$end of line

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

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

Search reference

Regular Expression

^
(?:
  (?:\+|00|011)[\.\/\-\ \t]*
  (?# group 1: country code after international dialing code)
  ([17]|2(?:[07]|[1-689]\d)|3(?:[0-4679]|[578]\d)|4(?:[013-9]|2\d)|5(?:[1-8]|[09]\d)|6(?:[0-6]|[789]\d)|8(?:[1246]|[035789]\d)|9(?:[0-58]|[679]\d))
  [\.\/\-\ \t]*
| (?# group 2: single-digit country code without international dialing code)
  ([17])
  [\.\/\-\ \t]+(?# a separator is required for disambiguation)
)?
(?# group 3: area code between parentheses, optional)
(?:\((\d{1,4})\)[\.\/\-\ \t]*)?
(?# groups 4-7: leading groups of digits, may be empty)
(?:(\d{1,6})[\.\/\-\ ])?
(?:(\d{1,6})[\.\/\-\ ])?
(?:(\d{1,6})[\.\/\-\ ])?
(?:(\d{1,6})[\.\/\-\ ])?
(?# group 8: start of the last group of digits, may be empty)
(\d{0,10}?)
(?# group 9: up to 4 digits at end of the last group of digits)
(\d{1,4}+)
(?:
  [\.\/\-;\ \t]*e?xt?[\.\/\-=\ \t]*+
  (?# group 10: extension code, optional)
  (\d{1,14})
)?
$

Regular Expressions 101

Regular Expression

Unit Tests