CODEWITHSUNDEEP
urlurlencodeurl-encodingpercent-encoding
hugomg
hugomg

Reputation: 69964

Is URL percent-encoding case sensitive?

Is %3B treated differently to %3b in an URL?

Upvotes: 30

Views: 6756

Answers (1)

schesis
schesis

Reputation: 59208

No, URL percent-encoding is NOT case sensitive. According to RFC 3986:

2.1. Percent-Encoding

[...]

The uppercase hexadecimal digits 'A' through 'F' are equivalent to the lowercase digits 'a' through 'f', respectively. If two URIs differ only in the case of hexadecimal digits used in percent-encoded octets, they are equivalent.

Upvotes: 40

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