For my password strength checker, I am unable to display the score that I get from the password that I enter. Here is the code below, the problem is displayed all the way at the bottom of my code: /** * Determine if the given string contains an upper case letter * @param s the string to check * @return
Tag: string
Java how to Modify IP Address that was input as a string
I have a program that will take a LAN IP provided, I then need to be able to modify just the last octet of the IP’s, the first 3 will remain the same based on what was input in the LAN IP Text Field. For example: User enter 192.168.1.97 as the LAN IP I need to be able to manipulate
How to escape all special characters for ffmpeg drawtext filter in java
Does anyone have a good recipe for escaping all of the special characters (‘,%,,:,{,}) from a String in java, that will be used in an ffmpeg drawtext filter chain? Trying to use replaceAll with different combinations of escaping has been an exercise in frustration! String myTextString = “Bob’…
how to remove Arabic hashtags?
I am polling tweets from twitter using Twitter4j and I am trying to filter hashtags from it after I take text from it I turn it into strings now I have this String: “892698363371638784:RT @hikids_ksa: اللعبة خطيرة مرا ويبي لها مخ و تفكير و مهارة👌🏻💡 متوفرة في #متجر_هاي_كيدز_الالكتروني ..” I want to…
How Java String pool works when String concatenation?
Beware: I’m not trying to compare if the characters are equals. Because I know how to use the String.equals() method. This question is about String reference I was studying for the OCA exam when I started to learn about the class String and it properties as immutability, etc. According to what I read or…
How to count the characters in a String that matched a given Regex
Given an arbitrary String that contains 0 or more Substrings that match a regular expression. How can I count the number of characters in that String that were part of Substrings that matched the regex? Example: Given a regex that matches any email address and the String: This would return the int value of 32…
How to check if a string is ‘float’ or ‘int’
I have a string, and I know that it only contains a number. How can I check if this number is int or float? Answer There are many ways to solve your problem. For example, you can use try{}catch(){}: Solution 1 Solution 2 Or you can use regex [-+]?[0-9]*.?[0-9]+: For more details, take a look at Matching Float…
(Java) want to return String value from a method [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 6 years ago. Improve this question I need to return the return value type in String. This is working: This is desired code(Show…
jsonObject as string – searching for regular expression to remove password field
I have a json String which will have somewhere in its content a string like this: This can be anywhere in the json string, so don’t assume it’s on the first level. it can even be in a jsonArray. So I need to search the entire string and remove this field, or put its value as null. So I need
How do I check if a Java String contains at least one capital letter, lowercase letter, and number?
I know that I could do this with a series of for loops that iterate through the string but that would be terrible programming. Well, my professor prefers I don’t do it this way. I’d like to use regular expressions to do this. Answer For a simple string check, a single sweep through the string is e…