Regular Expressions 101

Pro

Group 1((\d{4}|[a-zA-Z0-9]{1}[0-9]{1})([-][0-9]{1,5}))

Group 2(\d{4}|[a-zA-Z0-9]{1}[0-9]{1})

1st Alternative\d{4}

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

2nd Alternative[a-zA-Z0-9]{1}[0-9]{1}

Character Class[a-zA-Z0-9]{1}

{1}matches one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

Character Class[0-9]{1}

{1}matches one character from the set below:

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

Group 3([-][0-9]{1,5})

Character Class[-]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{1,5}

{1,5}matches between 1 and 5 characters from the set below:

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

Detailed match information will be displayed here automatically.

25 tokens

((\d{4}|[a-zA-Z0-9]{1}[0-9]{1})([-][0-9]{1,5}))

New

C1-2015-13175