regex101: PCRE (Legacy) Match Workspace

^start of line

Group 1([A-Za-z][A-Ha-hJ-Yj-y]?[0-9][A-Za-z0-9]? ?[0-9][A-Za-z]{2}|[Gg][Ii][Rr] ?0[Aa]{2})

1st Alternative[A-Za-z][A-Ha-hJ-Yj-y]?[0-9][A-Za-z0-9]? ?[0-9][A-Za-z]{2}

Character Class[A-Za-z]

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

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

Character Class[A-Ha-hJ-Yj-y]?

?matches at most one character from the set below:

A-Hone character from A (65₁₀) to H (72₁₀) (case sensitive)

a-hone character from a (97₁₀) to h (104₁₀) (case sensitive)

J-Yone character from J (74₁₀) to Y (89₁₀) (case sensitive)

j-yone character from j (106₁₀) to y (121₁₀) (case sensitive)

Character Class[0-9]

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

Character Class[A-Za-z0-9]?

?matches at most one character from the set below:

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

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

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

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

Character Class[0-9]

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

Character Class[A-Za-z]{2}

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

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

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

2nd Alternative[Gg][Ii][Rr] ?0[Aa]{2}

Character Class[Gg]

Gthe literal G (71₁₀ / 107₈ / 47₁₆) (case sensitive)

gthe literal g (103₁₀ / 147₈ / 67₁₆) (case sensitive)

Character Class[Ii]

Ithe literal I (73₁₀ / 111₈ / 49₁₆) (case sensitive)

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case sensitive)

Character Class[Rr]

Rthe literal R (82₁₀ / 122₈ / 52₁₆) (case sensitive)

rthe literal r (114₁₀ / 162₈ / 72₁₆) (case sensitive)

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Character Class[Aa]{2}

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

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

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

$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

25 tokens

Regular Expression

^([A-Za-z][A-Ha-hJ-Yj-y]?[0-9][A-Za-z0-9]? ?[0-9][A-Za-z]{2}|[Gg][Ii][Rr] ?0[Aa]{2})$

New

A1A 1AA
A1 1AA
A11 1AA
AA1 1AA
AA1A 1AA
AA11 1AA
A1A1AA
A11AA
A111AA
AA11AA
AA1A1AA
AA111AA
GIR 0AA
GIR0AA

Regular Expressions 101

Regular Expression

Substitution