diff --git a/crates/ruff_linter/resources/test/fixtures/pylint/invalid_characters.py b/crates/ruff_linter/resources/test/fixtures/pylint/invalid_characters.py
index 3c533e74a20346..c8f1872cff1858 100644
Binary files a/crates/ruff_linter/resources/test/fixtures/pylint/invalid_characters.py and b/crates/ruff_linter/resources/test/fixtures/pylint/invalid_characters.py differ
diff --git a/crates/ruff_linter/src/rules/pylint/rules/invalid_string_characters.rs b/crates/ruff_linter/src/rules/pylint/rules/invalid_string_characters.rs
index dc7404ec99cdbd..e83afc284fa7fc 100644
--- a/crates/ruff_linter/src/rules/pylint/rules/invalid_string_characters.rs
+++ b/crates/ruff_linter/src/rules/pylint/rules/invalid_string_characters.rs
@@ -265,9 +265,16 @@ pub(crate) fn invalid_string_characters<'a>(
             let replacement: &str = match c {
                 '\\' => "\\\\",
                 '\'' | '"' => {
-                    // Quotes don't have to be escaped in triple-quoted strings,
-                    // *except* at the very end (like """this: \"""").
-                    if string_flags.is_triple_quoted() && column + 1 < string_content.len() {
+                    // Quotes only have to be escaped in triple-quoted strings at the beginning
+                    // of a triplet (like `\"""\"""` within the string, or `\""""` at the end).
+                    // For simplicity, escape all quotes not followed by the same character
+                    // (e.g., `r""" \""" \""""` becomes `""" \\\"\"" \""""`).
+                    if string_flags.is_triple_quoted()
+                        && string_content
+                            .as_bytes()
+                            .get(column + 1)
+                            .is_some_and(|c2| char::from(*c2) != c)
+                    {
                         continue;
                     }
                     match (c, string_flags.quote_style()) {
diff --git a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2510_invalid_characters.py.snap b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2510_invalid_characters.py.snap
index 2687f9a81814b2..86167ee4e1adbb 100644
--- a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2510_invalid_characters.py.snap
+++ b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2510_invalid_characters.py.snap
@@ -69,7 +69,7 @@ invalid_characters.py:63:35: PLE2510 [*] Invalid unescaped character backspace,
 63 | raw_single_singlequote = r'\ \' " ␈'
    |                                   ^ PLE2510
 64 | raw_triple_singlequote = r'''\ ' " '''
-65 | raw_triple_singlequote_2 = r'''​\''''
+65 | raw_triple_singlequote_2 = r'''​ \''' \''''
    |
    = help: Replace with escape sequence
 
@@ -80,7 +80,7 @@ invalid_characters.py:63:35: PLE2510 [*] Invalid unescaped character backspace,
 63    |-raw_single_singlequote = r'\ \' " ␈'
    63 |+raw_single_singlequote = '\\ \\\' " \b'
 64 64 | raw_triple_singlequote = r'''\ ' " '''
-65 65 | raw_triple_singlequote_2 = r'''​\''''
+65 65 | raw_triple_singlequote_2 = r'''​ \''' \''''
 66 66 | raw_single_doublequote = r"\ ' \" ␛"
 
 invalid_characters.py:77:1: PLE2510 [*] Invalid unescaped character backspace, use "\b" instead
diff --git a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2512_invalid_characters.py.snap b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2512_invalid_characters.py.snap
index e012b9700f35b2..ca47b78b75dc3b 100644
Binary files a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2512_invalid_characters.py.snap and b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2512_invalid_characters.py.snap differ
diff --git a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2513_invalid_characters.py.snap b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2513_invalid_characters.py.snap
index 9f322086af413c..e4a324ae17d12d 100644
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diff --git a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2514_invalid_characters.py.snap b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2514_invalid_characters.py.snap
index 5a4fd3ee9d5eef..426c787310024e 100644
Binary files a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2514_invalid_characters.py.snap and b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2514_invalid_characters.py.snap differ
diff --git a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2515_invalid_characters.py.snap b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2515_invalid_characters.py.snap
index 6456a3631ce596..b8ad690a123a2f 100644
Binary files a/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2515_invalid_characters.py.snap and b/crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2515_invalid_characters.py.snap differ