regex101: PCRE (Legacy) Match Workspace

Negative Lookbehind(?<![0-9-])

Character Class[0-9-]

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 1([0-9]{5}(?:[ -][0-9]{4})?)

Character Class[0-9]{5}

{5}matches exactly 5 characters from the set below:

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

Non-Capturing Group(?:[ -][0-9]{4})?

?repeats the group contents below at most once:

Character Class[ -]

the literal (32₁₀ / 40₈ / 20₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{4}

{4}matches exactly 4 characters from the set below:

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

Negative Lookahead(?![0-9-])

Character Class[0-9-]

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

(?<![0-9-])([0-9]{5}(?:[ -][0-9]{4})?)(?![0-9-])

New

"Mr. Bean bought 2 tickets 2-613-213-4567",
  "43 Butter Rd, Brossard QC K0A 3P0 â€“ 613 213 4567", 
  "Rat Race, XX, 12345",
  "Ignore phone numbers(613)2134567",
  "Grab zips with dashes 12345-6789 or no space before12345-6789",  
  "Grab zips with spaces 12345 6789 or no space before12345 6789",
  "I like 1234567 dogs"

extra:
another zip 09788-4234has no space after
98712
987122
zip or range 12987-19222 ?
what about this serial 88101-8892-22912-9991-99101 ?
90872-8881

Regular Expressions 101

Regular Expression

Substitution