Shorten slur filter to avoid false positives (fixes #535)

lemmy_utils/src/test.rs

@@ -53,7 +53,7 @@ fn test_valid_post_title() {
 #[test]
 fn test_slur_filter() {
   let test =
-      "coons test dindu ladyboy tranny retardeds. Capitalized Niggerz. This is a bunch of other safe text.";
+      "faggot test kike tranny cocksucker retardeds. Capitalized Niggerz. This is a bunch of other safe text.";
   let slur_free = "No slurs here";
   assert_eq!(
       remove_slurs(&test),
@@ -63,13 +63,13 @@ fn test_slur_filter() {
 
   let has_slurs_vec = vec![
     "Niggerz",
-    "coons",
-    "dindu",
-    "ladyboy",
+    "cocksucker",
+    "faggot",
+    "kike",
     "retardeds",
     "tranny",
   ];
-  let has_slurs_err_str = "No slurs - Niggerz, coons, dindu, ladyboy, retardeds, tranny";
+  let has_slurs_err_str = "No slurs - Niggerz, cocksucker, faggot, kike, retardeds, tranny";
 
   assert_eq!(slur_check(test), Err(has_slurs_vec));
   assert_eq!(slur_check(slur_free), Ok(()));

lemmy_utils/src/utils.rs

@@ -7,7 +7,7 @@ use regex::{Regex, RegexBuilder};
 
 lazy_static! {
 static ref EMAIL_REGEX: Regex = Regex::new(r"^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$").unwrap();
-static ref SLUR_REGEX: Regex = RegexBuilder::new(r"(fag(g|got|tard)?|maricos?|cock\s?sucker(s|ing)?|\bn(i|1)g(\b|g?(a|er)?(s|z)?)\b|dindu(s?)|mudslime?s?|kikes?|mongoloids?|towel\s*heads?|\bspi(c|k)s?\b|\bchinks?|niglets?|beaners?|\bnips?\b|\bcoons?\b|jungle\s*bunn(y|ies?)|jigg?aboo?s?|\bpakis?\b|rag\s*heads?|gooks?|cunts?|bitch(es|ing|y)?|puss(y|ies?)|twats?|feminazis?|whor(es?|ing)|\bslut(s|t?y)?|\btr(a|@)nn?(y|ies?)|ladyboy(s?)|\b(b|re|r)tard(ed)?s?)").case_insensitive(true).build().unwrap();
+static ref SLUR_REGEX: Regex = RegexBuilder::new(r"(fag(g|got|tard)?\b|cock\s?sucker(s|ing)?|\bn(i|1)g(\b|g?(a|er)?(s|z)?)\b|mudslime?s?|kikes?|\bspi(c|k)s?\b|\bchinks?|gooks?|bitch(es|ing|y)?|whor(es?|ing)|\btr(a|@)nn?(y|ies?)|\b(b|re|r)tard(ed)?s?)").case_insensitive(true).build().unwrap();
 static ref USERNAME_MATCHES_REGEX: Regex = Regex::new(r"/u/[a-zA-Z][0-9a-zA-Z_]*").unwrap();
 // TODO keep this old one, it didn't work with port well tho
 // static ref MENTIONS_REGEX: Regex = Regex::new(r"@(?P<name>[\w.]+)@(?P<domain>[a-zA-Z0-9._-]+\.[a-zA-Z0-9_-]+)").unwrap();