Regular Expressions 101

^start of line

Group 1([a-zA-Z]{2}\d{27})

Character Class[a-zA-Z]{2}

{2}matches exactly 2 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)

\d{27}a digit, repeated exactly 27 times

$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

^([a-zA-Z]{2}\d{27})$

New

0444845519
0444845519a
0444845519FFF
3235519
2654444444
123456789
12345678
111111111111111111111111111111
UA903052992990004149123456789
UA9030529929900041491234567895
UA90305299299000414912345678

Regular Expression

Extraction