Regular Expressions 101

Group 1(9\d{2})

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

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

Group 2([ \-]?)

Character Class[ \-]?

?matches at most one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 3(5\d|6[0-5]|7\d|8[0-8]|9[0-2,4-9])

1st Alternative5\d

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

\da digit

2nd Alternative6[0-5]

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

3rd Alternative7\d

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

\da digit

4th Alternative8[0-8]

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

Character Class[0-8]

0-8one character from 0 (48₁₀) to 8 (56₁₀)

5th Alternative9[0-2,4-9]

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

Character Class[0-2,4-9]

0-2one character from 0 (48₁₀) to 2 (50₁₀)

,the literal , (44₁₀ / 54₈ / 2C₁₆)

4-9one character from 4 (52₁₀) to 9 (57₁₀)

Group 4([ \-]?)

Character Class[ \-]?

?matches at most one character from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 5(\d{4})

\d{4}a digit, repeated exactly 4 times

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

(9\d{2})([ \-]?)(5\d|6[0-5]|7\d|8[0-8]|9[0-2,4-9])([ \-]?)(\d{4})

New

#Matches
901-50-9999
901519999
901-52-9999
901-53-9999

901629999
901-65-9999

901-75-9999
901-85-9999
901-92-9999


#No matches
901-66-9999
801-65-9999
901-89-9999
901-93-9999