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Replacing string value


I want to replace the value of a string. This is an integer but saved in string. Eg: i am getting the value as 123.345 the i need to get the value as 123 only. I want to replace value after . with '' but the issue is i don't know how many decimal place is coming after point. Please help me to solve this issue.

Attribution to: AnuRaj

Possible Suggestion/Solution #1

One easy way is to convert it first into a decimal number and then convert the decimal into an integer.

String myString = '123.123435';
Decimal myDecimal = Decimal.valueOf(myString);
Integer myInteger = Integer.valueOf(myDecimal);

Attribution to: Joey Chan

Possible Suggestion/Solution #2

You can use

String myString = '123.123435';
String st = myString.substring(0, myString.indexOf('.') );

Attribution to: Prady
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