diff --git a/rest-api-spec/src/main/resources/rest-api-spec/test/cat.allocation/10_basic.yaml b/rest-api-spec/src/main/resources/rest-api-spec/test/cat.allocation/10_basic.yaml
index e09da2a6557..5f0646139b5 100755
--- a/rest-api-spec/src/main/resources/rest-api-spec/test/cat.allocation/10_basic.yaml
+++ b/rest-api-spec/src/main/resources/rest-api-spec/test/cat.allocation/10_basic.yaml
@@ -34,7 +34,7 @@
                 (\d+                   \s+)?  #no value from client nodes
                 [-\w.]+                \s+
                 \d+(\.\d+){3}          \s+
-                \w.*
+                [-\w]+
                 \n
               )+
             $/
@@ -61,7 +61,7 @@
                 (\d+                  \s+)  #always should return value since we filter out non data nodes by default
                 [-\w.]+                \s+
                 \d+(\.\d+){3}          \s+
-                \w.*
+                [-\w]+
                 \n
               )+
               (
@@ -90,7 +90,7 @@
                 (\d+                  \s+)?  #no value from client nodes
                 [-\w.]+                \s+
                 \d+(\.\d+){3}          \s+
-                \w.*
+                [-\w]+
                 \n
               )
             $/
@@ -124,7 +124,7 @@
                  (\d+                  \s+)?  #no value from client nodes
                  [-\w.]+                \s+
                  \d+(\.\d+){3}          \s+
-                 \w.*
+                 [-\w]+
                  \n
                )+
                (
@@ -164,7 +164,7 @@
                 (\d+                  \s+)  #always should return value since we filter out non data nodes by default
                 [-\w.]+                \s+
                 \d+(\.\d+){3}          \s+
-                [-\w.]+
+                [-\w]+
                 \n
               )+
             $/
@@ -181,7 +181,7 @@
       $body: |
             /^
               ( \d*                 \s+
-                \w.*
+                [-\w]+
                 \n
               )+
             $/
@@ -199,7 +199,7 @@
               \n
               (
                 \s+\d*           \s+
-                \w.*
+                [-\w]+
                 \n
               )+
             $/
@@ -224,7 +224,7 @@
                 (\d+                 \s+)  #always should return value since we filter out non data nodes by default
                 [-\w.]+             \s+
                 \d+(\.\d+){3}       \s+
-                \w.*
+                [-\w]+
                 \n
               )+
             $/