Regular Expressions 101

Pro

^start of line

Group 1((\+88)?(01)[0-9]{9}|[1-9][0-9]{6})

1st Alternative(\+88)?(01)[0-9]{9}

Group 2(\+88)?

?repeats the group contents below at most once:

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

88the literal text 88

Group 3(01)

01the literal text 01

Character Class[0-9]{9}

{9}matches exactly 9 characters from the set below:

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

2nd Alternative[1-9][0-9]{6}

Character Class[1-9]

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Character Class[0-9]{6}

{6}matches exactly 6 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.

27 tokens

^((\+88)?(01)[0-9]{9}|[1-9][0-9]{6})$

+8801679453663
7273591
01679453663
+8801984442842
2373453
1012588

+8801679453663
7273591
01679453663
+8801984442842
2373453
1012588