attempt to fix regexes

tests/generator_scripts/index.yaml

@@ -59,9 +59,9 @@ ComposerHeaderOnly:
   expect-code:
     hpp:
       - regex: >-
-          inline\sint32_t\stwice\(
+          inline\s+int32_t\s+twice\s*\(
       - regex: >-
-          inline\svoid\skernel\(
+          inline\s+void\s+kernel\s*\(
 
 Conditionals:
   expect-code:
@@ -98,7 +98,7 @@ SyclKernels:
   expect-code:
     hpp:
       - regex: >-
-          inline\svoid\skernel\(
+          inline\s+void\s+kernel\s*\(
       - regex: >-
           cgh\.parallel_for\(range,\s*\[=\]\s*\(const\s+sycl::item<\s*2\s*>\s+sycl_item\s*\)\s*\{\s*kernels::kernel\(.*\);\s*\}\);