[basex-talk] query function like matches can't work fast as = op , how to optimizer it? how to create range index?

hi,all, I found the @attribute='value' operation will fast after create attribute index, but function like matches,contains,starts-with has no effect even after create text index. how to optimum it , how to create path index, range index? thanks. -- 此致 easy 莫愁前路无知己，天下谁人不识君。