Sep 19, 2010 · I think the more important question is "why does JavaScript have both a substr method and a substring method"? This is really the preferred method of overloading?

Apr 4, 2013 · You're confusing substring() and substr(): substring() expects two indices and not offset and length. In your case, the indices are 5 and 2, ie characters 2..4 will be returned as the higher index is excluded.

The native JavaScript String method substr [MDN] can accomplish what you need. Just supply the starting index and omit the length parameter, and it grabs all the way to the end. Now, how to go about getting the starting index? You didn't give any criteria, so I can't really help with that.

Apr 1, 2019 · I get confused as to which language uses which substring command, looks like javascript can use either one though, although it looks like only substr works properly for negative numbers. Looks like even w3schools is confused to the operation of substr, stating for negative number: <br/> If start is negative, substr () uses it as a character index from the end of the …

Mar 3, 2020 · Let say I have the following strings: var Y = "TEST" var X = "abc 123 TEST 456 def" I would like to get the string from X that comes after the word that specified in Y. In this example it will ...

Jul 27, 2011 · jAndy, your regular expression is inside a string literal, you need to do away with the ' for this to work :-) (Also, it's not necessary to escape the hyphen, which has no special meaning outside of a character class).

Feb 11, 2010 · substr() selects all characters from the start-position to the end of the string substring() selects all characters from the start-position to the end of the string Note #7: slice()==substr()==substring() So, you can say that there's a difference between slice() and substr(), while substring() is basically a copy of slice().

ref: In javascript, how do you search an array for a substring match The solution given here is generic unlike the solution 4556343#4556343, which requires a previous parse to identify a string with which to join(), that is not a component of any of the array strings.

I have a shopping cart that displays product options in a dropdown menu and if they select "yes", I want to make some other fields on the page visible. The problem is that the shopping cart also

Jun 14, 2016 · I have a string containing a person's first and last name such as John Doe. I would like to convert this string to John D. Normally, I would just use substring(0,1) on the last name variable, but how can I achieve this when the first and last name are one string with a …