pupa

If a text has placeholders, but also substrings that match the placeholder pattern (e.g. ) but should not be substituted but remain as literals, how do I escape them so that they're not interpreted as placeholders? Is the only way to actually perform substitution with the literal itself, i.e. or is there a way to escape placeholder tokens?

Many templating languages support filtering individual interpolated values: supports transforming all values, but not individual ones. The regex to match items could be modified to: This would match an arbitrary number of filters separated by . (regex101) Filters would just be an object of functions passed to and would be applied in order from left to right. Filters in the template without a match could have the same semantics as a missing value (either get ignored or throw, perhaps with a new ). Related, some further improvements to the regex could be supporting arbitrary whitespace and characters:

Hi guys, Sometimes, my data is an object that includes a character. Maybe should be supported character to escape the character.