How to use regex with String.matches in java - Stack Overflow
Aug 16, 2017 · How to use regex with String.matches in java Asked 8 years, 6 months ago Modified 8 years, 5 months ago Viewed 27k times
regex - Using regular expressions to extract a value in Java - Stack ...
What I'm really interested in are the Java calls to take the regex string and use it on the source data to produce the value of [some number]. I should add that I'm only interested in a single [some number] …
java - How to extract a substring using regex - Stack Overflow
While substring looks for a specific string or value, regex looks for a format. It's more and more dynamic. You need regex, if you are looking for a pattern instead of a special value.
Java - Extract strings with Regex - Stack Overflow
The regular expression means "a string containing a word, a space, one or more digits (which are captured in group 1), a space, a set of words and spaces ending with a space, followed by a time …
How to use regex in String.contains () method in Java
Dec 12, 2019 · String.contains String.contains works with String, period. It doesn't work with regex. It will check whether the exact String specified appear in the current String or not. Note that String.contains …
Java comparing string to regex - while loop - Stack Overflow
Nov 30, 2013 · Java comparing string to regex - while loop Asked 12 years, 2 months ago Modified 12 years, 2 months ago Viewed 20k times
regex - How to escape text for regular expression in Java ... - Stack ...
Sep 12, 2008 · 364 Does Java have a built-in way to escape arbitrary text so that it can be included in a regular expression? For example, if my users enter "$5", I'd like to match that exactly rather than a …
regex - Check and extract a number from a String in Java - Stack …
I'm writing a program where the user enters a String in the following format: "What is the square of 10?" I need to check that there is a number in the String and then extract just the number. ...
java - Check if string ends with certain pattern - Stack Overflow
Turns out "\\." in a regex (regular expression) works, if you are looking for the dot character. The difficulty arose for me from the non-uniform API of Java String: for the task of locating/extracting the …
java - Regex pattern including all special characters - Stack Overflow
Aug 5, 2013 · I want to write a simple regular expression to check if in given string exist any special character. My regex works but I don't know why it also includes all numbers, so when I put some …