Regular Expressions 101

1st Alternative^0([1-9]{2})([1-9]{2})([2-3]{1})([0-9]{3})([0-9]{4})$

^start of string

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Group 1([1-9]{2})

Character Class[1-9]{2}

{2}matches exactly 2 characters from the set below:

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

Group 2([1-9]{2})

Character Class[1-9]{2}

{2}matches exactly 2 characters from the set below:

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

Group 3([2-3]{1})

Character Class[2-3]{1}

{1}matches one character from the set below:

2-3one character from 2 (50₁₀) to 3 (51₁₀)

Group 4([0-9]{3})

Character Class[0-9]{3}

{3}matches exactly 3 characters from the set below:

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

Group 5([0-9]{4})

Character Class[0-9]{4}

{4}matches exactly 4 characters from the set below:

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

$end of string, or before its final line terminator

2nd Alternative([1-9]{2})([8-9]{1})([0-9]{3})([0-9]{4})$

Group 6([1-9]{2})

Character Class[1-9]{2}

{2}matches exactly 2 characters from the set below:

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

Group 7([8-9]{1})

Character Class[8-9]{1}

{1}matches one character from the set below:

8-9one character from 8 (56₁₀) to 9 (57₁₀)

Group 8([0-9]{3})

Character Class[0-9]{3}

{3}matches exactly 3 characters from the set below:

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

Group 9([0-9]{4})

Character Class[0-9]{4}

{4}matches exactly 4 characters from the set below:

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

$end of string, or before its final line terminator

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^0([1-9]{2})([1-9]{2})([2-3]{1})([0-9]{3})([0-9]{4})$|([1-9]{2})([8-9]{1})([0-9]{3})([0-9]{4})$

Test String
New

7491260006

Regular Expression

Test StringNew

SubstitutionProcessing...

Test String
New

Substitution
Processing...