Regular Expressions 101

^start of line

Character Class[ABC]{3}

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

Athe literal A (65₁₀ / 101₈ / 41₁₆) (case insensitive)

Bthe literal B (66₁₀ / 102₈ / 42₁₆) (case insensitive)

Cthe literal C (67₁₀ / 103₈ / 43₁₆) (case insensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[DEF]{3}

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

Dthe literal D (68₁₀ / 104₈ / 44₁₆) (case insensitive)

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case insensitive)

Fthe literal F (70₁₀ / 106₈ / 46₁₆) (case insensitive)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

.+any character (except for line terminators), repeated at least once

$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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^[ABC]{3}-[DEF]{3}-.+$

New

ABC-DEF-17-021
bbc-def-1