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] Which is the incorrect result, It should be [12.3,22] I have commented on my code with the
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 reserved for large amounts of text data. However, as is not
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 take into account. The following implementation might work for you, but note that