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Character class

Published on Oct 5, 2026

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To search for a range of characters, define the range using a hyphen between characters [A - Z].

Pattern	Description
[1-9]	Any digit from 1 to 9 (1, 2, 3, 4, 5, 6, 7, 8, 9)
[a-j]	Any lowercase letter from a to j.
[A-H]	Any capitalized letter from A to H. Note A search such as [a-F] is not valid.

Pattern

Description

[1-9]

Any digit from 1 to 9 (1, 2, 3, 4, 5, 6, 7, 8, 9)

[a-j]

Any lowercase letter from a to j.

[A-H]

Any capitalized letter from A to H.

Note
A search such as [a-F] is not valid.

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