Regular Expressions 101

^start of string

Non-Capturing Group(?:[A-Z2-7]{8})*

*repeats the group contents below any number of times:

Character Class[A-Z2-7]{8}

{8}matches exactly 8 characters from the set below:

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

2-7one character from 2 (50₁₀) to 7 (55₁₀)

Non-Capturing Group(?:[A-Z2-7]{2}={6}|[A-Z2-7]{4}={4}|[A-Z2-7]{5}={3}|[A-Z2-7]{7}=)?

?repeats the group contents below at most once:

1st Alternative[A-Z2-7]{2}={6}

Character Class[A-Z2-7]{2}

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

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

2-7one character from 2 (50₁₀) to 7 (55₁₀)

={6}the literal = (61₁₀ / 75₈ / 3D₁₆) , repeated exactly 6 times

2nd Alternative[A-Z2-7]{4}={4}

Character Class[A-Z2-7]{4}

{4}matches exactly 4 characters from the set below:

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

2-7one character from 2 (50₁₀) to 7 (55₁₀)

={4}the literal = (61₁₀ / 75₈ / 3D₁₆) , repeated exactly 4 times

3rd Alternative[A-Z2-7]{5}={3}

Character Class[A-Z2-7]{5}

{5}matches exactly 5 characters from the set below:

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

2-7one character from 2 (50₁₀) to 7 (55₁₀)

={3}the literal = (61₁₀ / 75₈ / 3D₁₆) , repeated exactly 3 times

4th Alternative[A-Z2-7]{7}=

Character Class[A-Z2-7]{7}

{7}matches exactly 7 characters from the set below:

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

2-7one character from 2 (50₁₀) to 7 (55₁₀)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

$end of string, or before its final line terminator

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^(?:[A-Z2-7]{8})*(?:[A-Z2-7]{2}={6}|[A-Z2-7]{4}={4}|[A-Z2-7]{5}={3}|[A-Z2-7]{7}=)?$

New

JEQHOYLOOQQHI3ZAOZQWY2LEMF2GKIDBEBBGC43FGMZCAY3PMRSSAYTFMZXXEZJAMNXW45TFOJ2GS3THEBUXILRAJFZSA5DIMVZGKIDBEB3WC6JAORXSAZDPEB2GQ2LTEBZXKY3IEBQXGIDSMVTXK3DBOIQGK6DQOJSXG43JN5XD6===

Substitution

JEQHOYLOOQQHI3ZAOZQWY2LEMF2GKIDBEBBGC43FGMZCAY3PMRSSAYTFMZXXEZJAMNXW45TFOJ2GS3THEBUXILRAJFZSA5DIMVZGKIDBEB3WC6JAORXSAZDPEB2GQ2LTEBZXKY3IEBQXGIDSMVTXK3DBOIQGK6DQOJSXG43JN5XD6===