Regular Expressions 101

Group 1(\+?(?:(84|0))(\s?[\-\u2010\u2011\u2012\u2013\u2014\u2015]?\s?)[357-9]\d{6}(?:\d{2}(?:\d{1})?)?)

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

Non-Capturing Group(?:(84|0))

Group 2(84|0)

1st Alternative84

84the literal text 84

2nd Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Group 3(\s?[\-\u2010\u2011\u2012\u2013\u2014\u2015]?\s?)

\s?optionally matches any whitespace character

Character Class[\-\u2010\u2011\u2012\u2013\u2014\u2015]?

?matches at most one character from the set below:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\u2010the literal ‐ (2010₁₆ / 20020₈ / 8208₁₀)

\u2011the literal ‑ (2011₁₆ / 20021₈ / 8209₁₀)

\u2012the literal ‒ (2012₁₆ / 20022₈ / 8210₁₀)

\u2013the literal – (2013₁₆ / 20023₈ / 8211₁₀)

\u2014the literal — (2014₁₆ / 20024₈ / 8212₁₀)

\u2015the literal ― (2015₁₆ / 20025₈ / 8213₁₀)

\s?optionally matches any whitespace character

Character Class[357-9]

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

7-9one character from 7 (55₁₀) to 9 (57₁₀)

\d{6}a digit, repeated exactly 6 times

Non-Capturing Group(?:\d{2}(?:\d{1})?)?

?repeats the group contents below at most once:

\d{2}a digit, repeated exactly 2 times

Non-Capturing Group(?:\d{1})?

?repeats the group contents below at most once:

\d{1}a digit, repeated exactly 1 time

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

(\+?(?:(84|0))(\s?[\-\u2010\u2011\u2012\u2013\u2014\u2015]?\s?)[357-9]\d{6}(?:\d{2}(?:\d{1})?)?)

New

1234567
76543211234
123456789
12345778
1234567890
+8412345678
84123456789
8412345
84123456
+1234567
+84

0123456

+84356763987
5123456
31234567
712345678
9123456789
+84-5123456
+84 5123456
05123456
0-5123456
+84 - 5123456
843378262
84337671542
84575516147