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How to check a string has only numbers?
How to check a string has only numbers?
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2 Replies
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Hi ravi,
You can use isNumeric() or isNumericSpace() method to find a string is number or not
String num = '23456789;
System.assert(num.isNumeric());this will check string without space
String numSpace = '5 4 6 8';
System.assert(numSpace.isNumericspace());this will include spaces also.
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Hi Ravi,
Below is the code for your requirement:
String numVal = '123';
system.debug('numVal::'+numVal.isNumeric()); // Writes "numVal::TRUE" to the debug logThanks
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