Regular Expressions 101

^start of line

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

Character Class[0-9]{0,3}

{0,3}matches between 0 and 3 characters from the set below:

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

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{7,10}

{7,10}matches between 7 and 10 characters from the set below:

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

$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

^\+?[0-9]{0,3}-?[0-9]{7,10}$

New

happy cases:
+919876576543
+91-9876576543
91-9876576543
919876576543
9876576543

sad cases:
+91 9773938389
91 9773938389
97739 75647
(+91)-9876576543
(+91)9876576543
(91)9876576543