Regular Expression enhancements in ColdFusion (2018 release) Update 5 In Update 5 of the 2018 release of ColdFusion, the application flag useJavaAsRegexEngine was introduced.
If you enable this flag at the application level, you can override the default Regex engine and you can use the Java Regex engine.
For example,
component
{
this.useJavaAsRegexEngine=true;
}
For more information, see Application.cfc variables.
You can also enable the option at the serve. Enable the option Use Java As Regex Engine, located in Server Settings > Settings of the ColdFusion Administrator.
For more information, see Using the ColdFusion Administrator.
For example, using the default Perl-regex engine, you can write the following snippet:
<cfscript>
writeOutput(refind("[[:digit:]]","abc 456 ABC 789? Paraguay for $99 airfare!")) // Returns 5
</cfscript>
After you enable the flag useJavaAsRegexEngine, you can rewrite the snippet above as follows:
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