Regular Expressions 101

^start of line

Character Class[1-9]{2}

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

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

the literal (32₁₀ / 40₈ / 20₁₆)

Non-Capturing Group(?:[2-8]|9[1-9])

1st Alternative[2-8]

Character Class[2-8]

2-8one character from 2 (50₁₀) to 8 (56₁₀)

2nd Alternative9[1-9]

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

Character Class[1-9]

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

Character Class[0-9]{3}

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

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{4}

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

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

Group 1( [1-9]{2} (?:[2-8]|9[1-9])[0-9]{3}\-[0-9]{4})*

*repeats the group contents below any number of times:

the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[1-9]{2}

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

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

the literal (32₁₀ / 40₈ / 20₁₆)

Non-Capturing Group(?:[2-8]|9[1-9])

1st Alternative[2-8]

Character Class[2-8]

2-8one character from 2 (50₁₀) to 8 (56₁₀)

2nd Alternative9[1-9]

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

Character Class[1-9]

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

Character Class[0-9]{3}

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

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

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

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 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

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

New

11 91129-1231
11 91231-2343 11 2322-4332
15 98221-9540 12 93853-2343 45 4332-0593