regex101: PCRE2 (PHP) Match Workspace

Pro

Non-Capturing Group(?:^|(?<=\D))

1st Alternative^

^start of line

2nd Alternative(?<=\D)

Positive Lookbehind(?<=\D)

\Dany character that's not a digit

Non-Capturing Group(?:[-]?[0-9][-]?){10,11}

{10,11}repeats the group contents below between 10 and 11 times:

Character Class[-]?

?matches at most one character from the set below:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]

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

Character Class[-]?

?matches at most one character from the set below:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Positive Lookahead(?=\D|$)

1st Alternative\D

\Dany character that's not a digit

2nd Alternative$

$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

25 tokens

Regular Expression

(?:^|(?<=\D))(?:[\(\)-]?[0-9][\(\)-]?){10,11}(?=\D|$)

New

abc0123456789def
abc10123456789def
abc10123456789def
abc110123456789def
abc1012345678def

abc 0123456789 def
abc 10123456789 def

abc1(012)345-6789def
abc1-012-345-6789def
abc(012)345-6789def
abc012-345-6789def
abc 1(012)345-6789 def

Substitution

abc0123456789def
abc10123456789def
abc10123456789def
abc110123456789def
abc1012345678def

abc 0123456789 def
abc 10123456789 def

abc1(012)345-6789def
abc1-012-345-6789def
abc(012)345-6789def
abc012-345-6789def
abc 1(012)345-6789 def