Java: String Manipulation without Spaces

Question

So given data for example:

a898            //result string1=a  string2=898
b832            //string1=b string2=832
c3232           //string1=c string2=3232
d938202         //string1=d string2=938202

I'm attempting to get the letter and put it in a String, and then have the rest of the numbers in another String. I am using charAt(0) to get the letter, but am having issues finding a way to split the numbers given that they aren't all of the same length.

One way I used, when there weren't 26 diff options, in another program was replacing a with a|, b with b|, and so on and then splitting on the |. It led to very ugly code and I was hoping for another option. Thanks for your time!

ashiquzzaman33 · Accepted Answer · 2015-12-02 00:12:43Z

5

You can use like

    String str = "d938202";
    String string1 = str.substring(0, 1);
    String string2 = str.substring(1);

edited Dec 2, 2015 at 0:12

answered Dec 1, 2015 at 23:57

ashiquzzaman33

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3 Comments

Pshemo Over a year ago

str.substring(1, str.length()); should give you same results as str.substring(1); if I remember correctly.

Bob Over a year ago

awww beautiful. Thank you @Ashiquizzaman, I truly appreciate it

ashiquzzaman33 Over a year ago

@Pshemo, Yes both gives same results. Thanks.

Pshemo · Accepted Answer · 2015-12-02 00:06:06Z

2

You can also use something like:

String[] arr = "d938202".split("(?<=[a-z])");
//arr[0] = "d"
//arr[1] = "938202"

split uses regular expression (Regex) syntax which allows us to describe place to split on. In this case thanks to look-around mechanisms we can describe this place as one which have alphabetic character (a-z) before it.

answered Dec 2, 2015 at 0:06

Pshemo

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