[SalesForce] Split string Apex

Need to split a string by first occurence of specific character like '-' in 'this-is-test-data'. so what i want is when i do split it will return 'this' in zero index and rest in first index.

Best Answer

Use String.split(regExp, limit) method:

Documentation says

Returns a list that contains each substring of the String that is terminated by either the regular expression regExp or the end of the String.

Example:

String str = 'this-is-test-data';
List<String> res = str.split('-', 2);
System.debug(res);

Result:

15:16:58:001 USER_DEBUG [3]|DEBUG|(this, is-test-data)

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[SalesForce] regex too complicated error when using split function for less than 1M characters

if(attachmentProperty != null && attachmentProperty.Body != null ) { string attachmentBodyString = attachmentProperty.Body.toString(); //above string populated correctly with attachment content

    List<string> modifiedfileLinesList = new List<string>();
    List<string> fileLinesList = new List<String>();
    while(attachmentBodyString != '')
    {
         fileLinesList.add(attachmentBodyString.substring(0,attachmentBodyString.firstIndexOf('\n')));
         attachmentBodyString = attachmentBodyString.substring(attachmentBodyString.firstIndexOf('\n'), attachmentBodyString.length());
    }

attachmentBodyString.split('\n');

//above split function is throwing an error

//some logic here

}

[SalesForce] problem replacing and splitting string

Split in Apex is very similar to Java string split.

the pattern you pass to the split method is not a direct match, its a REGEX pattern. so the pipe symbol | is considered as a Regex input and it splits the string into individual characters.

You can use the below code to get thru this

newString.split('\\|')

here's some other discussions around the same topic

https://stackoverflow.com/questions/6978901/splitting-a-string-using

and a blog post from Lacey on the same topic

Best Answer

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[SalesForce] regex too complicated error when using split function for less than 1M characters

[SalesForce] problem replacing and splitting string

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