Groovy allows to do some nice things with strings in frontend pages, like: ${hello.capitalize()}

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Editorial Team

Asked: June 2, 20262026-06-02T21:13:47+00:00 2026-06-02T21:13:47+00:00

Groovy allows to do some nice things with strings in frontend pages, like:

${"hello".capitalize()}

How can I add a new custom method to the String class? Like:

${"hello".custom()}

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Editorial Team · Answer 1 · 2026-06-02T21:13:49+00:00

Editorial Team

Use the metaClass

String.metaClass.custom = { //dosomething }

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