diff --git a/prototypes.json b/prototypes.json
index 9aefedf..6debe63 100644
--- a/prototypes.json
+++ b/prototypes.json
@@ -1739,7 +1739,7 @@
         ]
     },
     {
-        "regex": "^[a-f0-9]{32}:[0-9]+:[a-z0-9_.+-]+@[a-z0-9-]+\\.[a-z0-9-.]+$",
+        "regex": "^[a-f0-9]{32}:[0-9]+:[a-z0-9_.+\\-]+@[a-z0-9\\-]+\\.[a-z0-9\\-.]+$",
         "modes": [
             {
                 "john": null,
@@ -1772,7 +1772,7 @@
         ]
     },
     {
-        "regex": "^[a-z0-9]{32}(:([a-z0-9-]+\\.)?[a-z0-9-.]+\\.[a-z]{2,7}:.+:[0-9]+)?$",
+        "regex": "^[a-z0-9]{32}(:([a-z0-9\\-]+\\.)?[a-z0-9\\-.]+\\.[a-z]{2,7}:.+:[0-9]+)?$",
         "modes": [
             {
                 "john": null,
@@ -1882,7 +1882,7 @@
         ]
     },
     {
-        "regex": "^\\$p5k2\\$[0-9]+\\$[a-z0-9\\/+=-]+\\$[a-z0-9\\/+-]{27}=$",
+        "regex": "^\\$p5k2\\$[0-9]+\\$[a-z0-9\\/+=\\-]+\\$[a-z0-9\\/+\\-]{27}=$",
         "modes": [
             {
                 "john": null,
@@ -2214,7 +2214,7 @@
         ]
     },
     {
-        "regex": "^\\$cram_md5\\$[a-z0-9\\/+=-]+\\$[a-z0-9\\/+=-]{52}$",
+        "regex": "^\\$cram_md5\\$[a-z0-9\\/+=\\-]+\\$[a-z0-9\\/+=\\-]{52}$",
         "modes": [
             {
                 "john": null,
@@ -2346,7 +2346,7 @@
         ]
     },
     {
-        "regex": "^\\$pdf\\$[24]\\*[34]\\*128\\*[0-9-]{1,5}\\*1\\*(16|32)\\*[a-f0-9]{32,64}\\*32\\*[a-f0-9]{64}\\*(8|16|32)\\*[a-f0-9]{16,64}$",
+        "regex": "^\\$pdf\\$[24]\\*[34]\\*128\\*[0-9\\-]{1,5}\\*1\\*(16|32)\\*[a-f0-9]{32,64}\\*32\\*[a-f0-9]{64}\\*(8|16|32)\\*[a-f0-9]{16,64}$",
         "modes": [
             {
                 "john": "pdf",