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14 lines
415 B
Markdown
14 lines
415 B
Markdown
7 years ago
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### Case-insensitivity
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Appending `i` right after either [a literal](./parsing-expression-types.md#literalliteral) or a [a character set](./parsing-expression-types.md#characters) makes the match case-insensitive. The rules shown in the following example all produce the same result:
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```pegjs
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// without `i`
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a1 = "a" / "b" / "c" / "A" / "B" / "C"
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b1 = [a-cA-C]
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// with `i`
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a2 = "a"i / "b"i / "c"i
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b2 = [a-c]i
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```
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