Fix code-blocks to use correct syntax highlighting

lib/ansible/modules/files/find.py

@@ -121,7 +121,7 @@ options:
 '''
 
 
-EXAMPLES = '''
+EXAMPLES = r'''
 # Recursively find /tmp files older than 2 days
 - find:
     paths: "/tmp"
@@ -149,9 +149,11 @@ EXAMPLES = '''
     size: "10m"
 
 # find /var/log files equal or greater than 10 megabytes ending with .old or .log.gz via regex
+# Note that yaml double quotes require escaping backslashes but yaml single
+# quotes do not.
 - find:
     paths: "/var/tmp"
-    patterns: "^.*?\.(?:old|log\.gz)$"
+    patterns: "^.*?\\.(?:old|log\\.gz)$"
     size: "10m"
     use_regex: True
 '''

lib/ansible/modules/files/lineinfile.py

@@ -160,15 +160,16 @@ EXAMPLES = r"""
     line: '192.168.1.99 foo.lab.net foo'
 
 # Fully quoted because of the ': ' on the line. See the Gotchas in the YAML docs.
-- lineinfile: "
+- lineinfile:
     dest: /etc/sudoers
     state: present
-    regexp: '^%wheel'
+    regexp: '^%wheel\s'
     line: '%wheel ALL=(ALL) NOPASSWD: ALL'
 
+# Yaml requires escaping backslashes in double quotes but not in single quotes
 - lineinfile:
     dest: /opt/jboss-as/bin/standalone.conf
-    regexp: '^(.*)Xms(\d+)m(.*)$'
+    regexp: "^(.*)Xms(\\d+)m(.*)$"
     line: '\1Xms${xms}m\3'
     backrefs: yes