method

replaceFirstMapped

Source

/**
 * Replace the first occurence of [from] in this string.
 *
 * Returns a new string, which is this string
 * except that the first match of [pattern], starting from [startIndex],
 * is replaced by the result of calling [replace] with the match object.
 *
 * If the value returned by calling `replace` is not a [String], it
 * is converted to a `String` using its `toString` method, which must
 * then return a string.
 */
String replaceFirstMapped(Pattern from, String replace(Match match),
                          [int startIndex = 0]);