Text Libraries

This page documents text-processing libraries shipped under lib/text.

These are library classes, not core built-in classes. Load them with intern.

Platform Scope

• text/Regex: JVM interpreter, generated JVM, generated JavaScript/Node
• Retired browser interpreter path: not supported

Load

intern text/Regex

Regex

Regex is a reusable regular-expression wrapper.

class Regex
create
  compile(pattern: String)
  compile_with_flags(pattern: String, flags: String)
feature
  pattern: String
  flags: String
  matches(text: String): Boolean
  find(text: String): ?String
  find_all(text: String): Array[String]
  replace(text: String, replacement: String): String
  split(text: String): Array[String]
  to_string(): String
end

Supported flags: - i case-insensitive - m multiline

Example:

intern text/Regex

let rx: Regex := create Regex.compile_with_flags("[a-z]+", "i")
print(rx.matches("Nex"))
print(rx.find("123 Nex 456"))
print(rx.find_all("one two THREE"))
print(rx.replace("v1 v2", "#"))
print(rx.split("a,b,c"))