regex101: Python Match Workspace

Pro

Negative Lookbehind(?<!\w)

\wa Unicode word character

Non-Capturing Group(?: # Left-hand word boundary, start of a group: (?:\+\d{1,4}[\s-]*)? # Optional: `+` and 1 to 4 digits and then 0+ whitespace/- (?:$\d+$|\d{2,}) # (, 1+ digits, ), or 2 or more digits [-\s]* # 0+ whitespaces or hyphens \d+ # 1+ digits, and (?=([\s-]?))(?:\1\d+)* # 0 or more sequences of optional - or whitespace and 1+ digits | # or (?:[a-zA-Z]+\d|\d+[a-zA-Z]) # 1+ letters and then a digit, or 1+ digits and then a letter [a-zA-Z0-9]* # 0 or more letters or digits )

1st Alternative # Left-hand word boundary, start of a group: (?:\+\d{1,4}[\s-]*)? # Optional: `+` and 1 to 4 digits and then 0+ whitespace/- (?:$\d+$|\d{2,}) # (, 1+ digits, ), or 2 or more digits [-\s]* # 0+ whitespaces or hyphens \d+ # 1+ digits, and (?=([\s-]?))(?:\1\d+)* # 0 or more sequences of optional - or whitespace and 1+ digits

Comment: Left-hand word boundary, start of a group:

Non-Capturing Group(?:\+\d{1,4}[\s-]*)?

?repeats the group contents below at most once:

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\d{1,4}a Unicode decimal digit, repeated between 1 and 4 times

Character Class[\s-]*

*matches any number of characters from the set below:

\sa Unicode whitespace character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Comment: Optional: `+` and 1 to 4 digits and then 0+ whitespace/-

Non-Capturing Group(?:$\d+$|\d{2,})

1st Alternative$\d+$

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\d+a Unicode decimal digit, repeated at least once

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative\d{2,}

\d{2,}a Unicode decimal digit, repeated at least 2 times

Comment: (, 1+ digits, ), or 2 or more digits

Character Class[-\s]*

*matches any number of characters from the set below:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\sa Unicode whitespace character

Comment: 0+ whitespaces or hyphens

\d+a Unicode decimal digit, repeated at least once

Comment: 1+ digits, and

Positive Lookahead(?=([\s-]?))

Group 1([\s-]?)

Character Class[\s-]?

?matches at most one character from the set below:

\sa Unicode whitespace character

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Non-Capturing Group(?:\1\d+)*

*repeats the group contents below any number of times:

\1the text saved by group 1

\d+a Unicode decimal digit, repeated at least once

Comment: 0 or more sequences of optional - or whitespace and 1+ digits

2nd Alternative # or (?:[a-zA-Z]+\d|\d+[a-zA-Z]) # 1+ letters and then a digit, or 1+ digits and then a letter [a-zA-Z0-9]* # 0 or more letters or digits

Comment: or

Non-Capturing Group(?:[a-zA-Z]+\d|\d+[a-zA-Z])

1st Alternative[a-zA-Z]+\d

Character Class[a-zA-Z]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\da Unicode decimal digit

2nd Alternative\d+[a-zA-Z]

\d+a Unicode decimal digit, repeated at least once

Character Class[a-zA-Z]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

Comment: 1+ letters and then a digit, or 1+ digits and then a letter

Character Class[a-zA-Z0-9]*

*matches any number of characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

Comment: 0 or more letters or digits

\ba Unicode word boundary

Comment: End of the group, word boundary

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

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

25 tokens

Regular Expression

(?<!\w)(?:                    # Left-hand word boundary, start of a group:
  (?:\+\d{1,4}[\s-]*)?        # Optional: `+` and 1 to 4 digits and then 0+ whitespace/-
  (?:\(\d+\)|\d{2,})          # (, 1+ digits, ), or 2 or more digits
  [-\s]*                      # 0+ whitespaces or hyphens
  \d+                         # 1+ digits, and 
  (?=([\s-]?))(?:\1\d+)*      # 0 or more sequences of optional - or whitespace and 1+ digits
|                             # or
  (?:[a-zA-Z]+\d|\d+[a-zA-Z]) # 1+ letters and then a digit, or 1+ digits and then a letter
  [a-zA-Z0-9]*                # 0 or more letters or digits
)\b                           # End of the group, word boundary

New

+1 (123) 4567, 11111111, some text, 2222 2222, 333-33333-333, 444-444-444-4, some other text, 5555 5555 5555 5555 5, ab12345, xy7890z