Javascript 角度2逃生斜线管
我想在angular 2中创建一个管道,它将替换给定字符串中用于转义特殊字符的“\”Javascript 角度2逃生斜线管,javascript,angular,typescript,angular-pipe,Javascript,Angular,Typescript,Angular Pipe,我想在angular 2中创建一个管道,它将替换给定字符串中用于转义特殊字符的“\” "ghda\'nja asda\\dasda dasj\' das\'da\\d as\\as\\sad".replace(/\'/g,"'") 我现在所做的 管道等级如下所示 @Pipe({ name: 'escapeSlashPipe' }) export class EscapeSlashPipe implements PipeTransform { transform (value: str
"ghda\'nja asda\\dasda dasj\' das\'da\\d as\\as\\sad".replace(/\'/g,"'")
我现在所做的
管道等级如下所示
@Pipe({
name: 'escapeSlashPipe'
})
export class EscapeSlashPipe implements PipeTransform {
transform (value: string): any{
value = value.replace(/\\"/g, '"');
return value;
}
}
html
然后它应该会回来
"ghda'nja asda\dasda dasj' das'da\d as\as\sad"
它应该只替换用于转义字符的斜杠
"ghda\'nja asda\\dasda dasj\' das\'da\\d as\\as\\sad".replace(/\'/g,"'")
你能试试上面的并让我知道吗。它为我返回以下内容
"ghda'nja asda\dasda dasj' das'da\d as\as\sad"
使用
value.replace(/\\“/g,”)
您正在选择以下字符序列:\“
并将其替换为以下字符”
所以,你看,它只适用于双引号
你可以使用不同的东西:
let value = "Lorem \\\" ipsum \\' dolorem \\\\ javascript";
// value: Lorem \" ipsum \' dolorem \\ javascript
// Because JavaScript is already able to escape characters by itself
// So I needed to escape also the backslash
value = value.replace(/(\\)(\W)/g, '$2');
// value: Lorem " ipsum ' dolorem \ javascript
您得到的确切错误是什么,因为我已经尝试了您的代码,并且工作正常。我得到了预期的结果。它给我与输入相同的输出,返回相同的字符串。
let value = "Lorem \\\" ipsum \\' dolorem \\\\ javascript";
// value: Lorem \" ipsum \' dolorem \\ javascript
// Because JavaScript is already able to escape characters by itself
// So I needed to escape also the backslash
value = value.replace(/(\\)(\W)/g, '$2');
// value: Lorem " ipsum ' dolorem \ javascript