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Flutter 从颤振/省道中的字符串中删除不可打印的字符_Flutter_Dart - Fatal编程技术网

Flutter 从颤振/省道中的字符串中删除不可打印的字符

Flutter 从颤振/省道中的字符串中删除不可打印的字符,flutter,dart,Flutter,Dart,如何从flatter/Dart中的字符串中删除不可打印的字符 var c ="Maintain central project files (hard copy and electronic) for administration.â¢Perform a wide variety of administrative duties" 感谢您的帮助如果您只想保留基本ascii字符,可以尝试以下方法: var c = "Maintain central

如何从flatter/Dart中的字符串中删除不可打印的字符

var c ="Maintain central project files (hard copy and electronic) for administration.â¢Perform a wide variety of administrative duties"

感谢您的帮助

如果您只想保留基本ascii字符,可以尝试以下方法:

  var c =
      "Maintain central project files (hard copy and electronic) for administration.â¢Perform a wide variety of administrative duties";
  var clean = c.replaceAll(RegExp(r'[^A-Za-z0-9().,;?]'), ' ');
  print(clean);
你会得到:

Maintain central project files (hard copy and electronic) for administration.  Perform a wide variety of administrative duties

调整正则表达式,使其包含更多或更少的字符,具体取决于所需的清理量(例如,可以删除所有标点符号等)。

如果只想保留基本ascii字符,可以尝试以下操作:

  var c =
      "Maintain central project files (hard copy and electronic) for administration.â¢Perform a wide variety of administrative duties";
  var clean = c.replaceAll(RegExp(r'[^A-Za-z0-9().,;?]'), ' ');
  print(clean);
你会得到:

Maintain central project files (hard copy and electronic) for administration.  Perform a wide variety of administrative duties

调整正则表达式,使其包含更多或更少的字符,具体取决于所需的清理量(例如,可以删除所有标点符号等)。

您能否澄清要删除的内容?如果是
字符,那么这些字符肯定是可打印的(即,它们不是控制字符)。如果
是,那么首先用正确的编码对字符串进行解码。你能说明你想删除什么吗?如果是
字符,那么这些字符肯定是可打印的(即,它们不是控制字符)。如果
是,则首先用正确的编码对字符串进行解码。