Regular Expressions 101

^start of line

Group 1(\+?\d{0,2})?

?repeats the group contents below at most once:

\+?optionally matches the literal + (43₁₀ / 53₈ / 2B₁₆)

\d{0,2}a digit, repeated between 0 and 2 times

\s?optionally matches any whitespace character

Character Class[\D]?

?matches at most one character from the set below:

\Dany character that's not a digit

\(?optionally matches the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2(\d{3})

\d{3}a digit, repeated exactly 3 times

\)?optionally matches the literal ) (41₁₀ / 51₈ / 29₁₆)

Character Class[\D]?

?matches at most one character from the set below:

\Dany character that's not a digit

Group 3(\d{3})

\d{3}a digit, repeated exactly 3 times

Character Class[\D]?

?matches at most one character from the set below:

\Dany character that's not a digit

Group 4(\d{4})

\d{4}a digit, repeated exactly 4 times

$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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^(\+?\d{0,2})?\s?[\D]?\(?(\d{3})\)?[\D]?(\d{3})[\D]?(\d{4})$

New

1
12
123
1234
12345
123456
1234567
12345678
123456789
1234567890
+1234567890
+123-456-7890
+123 456 7890
123 456 7890
123-456-7890
123 456-7890
123-456 7890
123-4567890
123456-7890
(234) 567 8940
(234)-567-8490
(425)512-7497
+919560862817
9560862817
956 086 2817
sgsdfgsd sdgsd sdg 
asdf
+448897687877