how to split a string across '\' using split function? [duplicate]

Question

I am newbie for java language. I am want to split the string "mandar\jitendra\sadye" to 3 strings "mandar","jitendra" and "sadye" using split function in string library. The program that I use to split the string is as follow:

public class string 
{
    public static void main(String[] args) 
    {
        String mandar="mandar\\jitendra\\saye";
        String[] words=mandar.split("[\\]");
        for(int a=0;a<words.length;a++)
        {
            System.out.println(words[a]);
        }
    }
}

But this program gives this error If i replace '\' by any other escape sequence like'\0' then program runs just fine $output when '\' is replaced by '\0'$ I already tried using ['\'] [] [\] ['\'] [\] but none of these tokens are working for me. So is there a some special way for for splitting a string across '\'?

TheLostMind · Accepted Answer · 2016-09-30 07:02:09Z

5

You need to escape the \ correctly. Once for java, again for regex engine.

    String mandar="mandar\\jitendra\\saye";
    String[] words=mandar.split("\\\\");
    for(int a=0;a<words.length;a++)
    {
        System.out.println(words[a]);
    }

O/P :

mandar
jitendra
saye

Another approach I would think about is using Pattern.quote():

public static void main(String[] args) {
    String mandar="mandar\\jitendra\\saye";
    String[] words=mandar.split(Pattern.quote("\\"));
    for(int a=0;a<words.length;a++)
    {
        System.out.println(words[a]);
    }
}

O/P :

mandar
jitendra
saye

answered Sep 30, 2016 at 7:02

TheLostMind

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