Regular Expressions 101

\Astart of string

Group 1(\d{5}[A-Z]{2}[a-zA-Z0-9]{3,7}-TMP|\d{5}[A-Z]{2}\d{3,7}(-?\d{2})*)

1st Alternative\d{5}[A-Z]{2}[a-zA-Z0-9]{3,7}-TMP

\d{5}a Unicode decimal digit, repeated exactly 5 times

Character Class[A-Z]{2}

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

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

Character Class[a-zA-Z0-9]{3,7}

{3,7}matches between 3 and 7 characters 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)

-TMPthe literal text -TMP (case sensitive)

2nd Alternative\d{5}[A-Z]{2}\d{3,7}(-?\d{2})*

\d{5}a Unicode decimal digit, repeated exactly 5 times

Character Class[A-Z]{2}

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

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

\d{3,7}a Unicode decimal digit, repeated between 3 and 7 times

Group 2(-?\d{2})*

*repeats the group contents below any number of times:

-?optionally matches the literal - (45₁₀ / 55₈ / 2D₁₆)

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

\Zend of string, or before its final line terminator

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

\A(\d{5}[A-Z]{2}[a-zA-Z0-9]{3,7}-TMP|\d{5}[A-Z]{2}\d{3,7}(-?\d{2})*)\Z

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99844RI1800002