import groovy.text.SimpleTemplateEngine
def bindings = ["REQ_BIND":"transformed"]
def engine = new SimpleTemplateEngine()
println engine.createTemplate("I'd like this <%=REQ_BIND%> but to leave ${'thisone'} alone").make(bindings).toString()
aW1wb3J0IGdyb292eS50ZXh0LlNpbXBsZVRlbXBsYXRlRW5naW5lCmRlZiBiaW5kaW5ncyA9IFsiUkVRX0JJTkQiOiJ0cmFuc2Zvcm1lZCJdCmRlZiBlbmdpbmUgPSBuZXcgU2ltcGxlVGVtcGxhdGVFbmdpbmUoKQpwcmludGxuIGVuZ2luZS5jcmVhdGVUZW1wbGF0ZSgiSSdkIGxpa2UgdGhpcyA8JT1SRVFfQklORCU+IGJ1dCB0byBsZWF2ZSAkeyd0aGlzb25lJ30gYWxvbmUiKS5tYWtlKGJpbmRpbmdzKS50b1N0cmluZygp