Document the source for hardcoded regex patterns

Author: yvan-sraka

src/json_schema/types.rs

@@ -38,11 +38,15 @@ impl JsonType {
     }
 }
 
+// https://www.iso.org/obp/ui/#iso:std:iso:8601:-1:ed-1:v1:en and https://stackoverflow.com/questions/3143070/regex-to-match-an-iso-8601-datetime-string
 pub static DATE_TIME: &str = r#""(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[01]|0[1-9]|[12][0-9])T(2[0-3]|[01][0-9]):([0-5][0-9]):([0-5][0-9])(\.[0-9]{3})?(Z)?""#;
 pub static DATE: &str = r#""(?:\d{4})-(?:0[1-9]|1[0-2])-(?:0[1-9]|[1-2][0-9]|3[0-1])""#;
 pub static TIME: &str = r#""(2[0-3]|[01][0-9]):([0-5][0-9]):([0-5][0-9])(\\.[0-9]+)?(Z)?""#;
+// https://datatracker.ietf.org/doc/html/rfc9562 and https://stackoverflow.com/questions/136505/searching-for-uuids-in-text-with-regex
 pub static UUID: &str = r#""[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}""#;
+// https://datatracker.ietf.org/doc/html/rfc3986#appendix-B
 pub static URI: &str = r#"^(https?|ftp):\/\/([^\s:@]+(:[^\s:@]*)?@)?([a-zA-Z\d.-]+\.[a-zA-Z]{2,}|localhost)(:\d+)?(\/[^\s?#]*)?(\?[^\s#]*)?(#[^\s]*)?$|^urn:[a-zA-Z\d][a-zA-Z\d\-]{0,31}:[^\s]+$"#;
+// https://www.rfc-editor.org/rfc/rfc5322 and https://stackoverflow.com/questions/13992403/regex-validation-of-email-addresses-according-to-rfc5321-rfc5322
 pub static EMAIL: &str = r#"^(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])$"#;
 
 /// Supported format type of the `JsonType::String`.