Another method to get this would be to use a simple regex. The regex uses capturing groups to group the data like you want. In my example, the capturing groups are the items surrounded by parentheses. The regex is just grabbing the matching group 1 on everything before the last period, which corresponds to the … Read more
The second parameter in Substring is the length of the substring, not the end index. You should probably include handling to check that it does indeed start with what you expect, end with what you expect, and is at least as long as you expect. And then if it doesn’t match, you can either do something else … Read more
You could use the Array.IndexOf method:
The second option really isn’t the same as the others – if the string is “///foo” it will become “foo” instead of “//foo”. The first option needs a bit more work to understand than the third – I would view the Substring option as the most common and readable. (Obviously each of them as an individual statement … Read more
Use output buffering:
Well you have a total of 4 questions, let us go one by one. 1. Why does str(list) returns how we see list on the console? How does str(list) work? What is str() and __str__()? The str() callable is to return a printable form of the object only! From the docs str(object) does not always attempt to return a string that is acceptable to eval(); its goal is to return a … Read more
In java.lang.String, the replace method either takes a pair of char’s or a pair of CharSequence‘s (of which String is a subclass, so it’ll happily take a pair of String’s). The replace method will replace all occurrences of a char or CharSequence. On the other hand, the first String arguments of replaceFirst and replaceAll are regular expressions (regex). Using the wrong function can lead to subtle bugs.
If the order of alerts matters, use this: Or this: (see also this answer) If the order of alerts doesn’t matter, use this: Or this: (see also this answer) Show code snippet
You can use string.indexOf(‘a’). If the char a is present in string : it returns the the index of the first occurrence of the character in the character sequence represented by this object, or -1 if the character does not occur.
Strings: And for numbers: String formatting documentation.