Regular Expressions 101

Explanation

Pro

Positive Lookbehind(?<=(?:\+\d{2,3})?)

Non-Capturing Group(?:\+\d{2,3})?

?repeats the group contents below at most once:

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

\d{2,3}a digit, repeated between 2 and 3 times

\d{10}a digit, repeated exactly 10 times

Negative Lookahead(?!\d)

\da digit

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

Detailed match information will be displayed here automatically.

26 tokens

(?<=(?:\+\d{2,3})?)\d{10}(?!\d)

New

fgcfghhfghfgch1234567890fghfghfgh fhghghfgh+916546546165fghfghfghfgh fhfghfghfghfgh+915869327425ghfghfghfgh

fgcfghhfghfgch1234567890fghfghfgh fhghghfgh+916546546165fghfghfghfgh fhfghfghfghfgh+915869327425ghfghfghfgh