I’m new to stackoverflow and would appreciate some advice to help me solve this problem. I have two strings that I want to extract numbers from String 1 = “12.3,Name1,3,4,Name2,35,Name3” returns [12.3,3,4,35] Which is the required result. String 2 = “12.3,22,Q” returns [12.322] W…
Tag: numeric
How can I make only numbers can be written in the box? Limit is 6 digits
How can I make only numbers can be written in the box? Limit is 6 digits. Added Javascript Answer So, a few starting notes: Generally speaking you wouldn’t use a <textarea/> for a single data point value– you would use an <input/> or other form control. <textarea/> is usually res…
How can I check if a string is a valid number?
I’m hoping there’s something in the same conceptual space as the old VB6 IsNumeric() function? Answer 2nd October 2020: note that many bare-bones approaches are fraught with subtle bugs (eg. whitespace, implicit partial parsing, radix, coercion of arrays etc.) that many of the answers here fail to…