trimString method

String trimString(
  1. String chars
)

Trim with specific characters.

Specify the character string to be trimmed in chars.

Implementation

String trimString(String chars) {
  final pattern = chars.isNotEmpty
      ? RegExp("^[$chars]+|[$chars]+\$")
      : RegExp(r"^\s+|\s+$");
  return replaceAll(pattern, "");
}