PropertyPlaceholderHelper constructor

A utility class for resolving string values that contain placeholders in the format #{name}.

The placeholder values can be substituted using either a Map<String, String> or a custom PlaceholderResolverFn.

Example

final helper = PropertyPlaceholderHelper('\#{', '}');
final result = helper.replacePlaceholders('Hello \#{name}!', {'name': 'World'});
print(result); // Output: Hello World!

You can also provide default values or escape characters using the PropertyPlaceholderHelper.more constructor.

Advanced Example

final helper = PropertyPlaceholderHelper.more('\#{', '}', ':', r'\', false);
final result = helper.replacePlaceholders('Welcome \#{user:Guest}', {});
print(result); // Output: Welcome Guest

Creates a new PropertyPlaceholderHelper with the given prefix and suffix. Unresolvable placeholders are ignored by default.

Example

final helper = PropertyPlaceholderHelper('\#{', '}');