checkstyle: allow underscores in variable names
</module>
<module name="LocalVariableName">
<property name="tokens" value="VARIABLE_DEF"/>
- <property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
+ <property name="format" value="^[a-z][a-z_A-Z0-9]*$"/>
<message key="name.invalidPattern"
value="Local variable name ''{0}'' must match pattern ''{1}''."/>
</module>
