java - What does regular expression \\s*,\\s* do? - Stack Overflow
@Lupos \s is regex for “whitespace”. To code a literal backslash in Java, you must escape the backslash with another backslash, so to code \s in the regex, you must code "\\s" in your …
regex - Java regular expressions and dollar sign - Stack Overflow
Oct 4, 2010 · period (.) and dollar-sign ($) are special regex characters (metacharacters). To make the regex engine interpret them as normal regex characters period (.) and dollar-sign …
Java Regex a-z, A-Z, 0-9 and (.) (_) (-) - Stack Overflow
Oct 21, 2011 · Writing a simple regex, but I've never been very good at this. What I'm trying to do is check a string (filename) to make sure it only contains a-z, A-Z, 0-9 or the special characters …
Java String.split() Regex - Stack Overflow
Mar 25, 2012 · Java String.split () Regex Asked 13 years, 7 months ago Modified 11 years, 6 months ago Viewed 375k times
Java - Filtering List Entries by Regex - Stack Overflow
Java - Filtering List Entries by Regex Asked 11 years, 3 months ago Modified 6 years, 9 months ago Viewed 56k times
Easy way to convert regex to a java compatible regex?
Jan 15, 2014 · It takes your normal regular expression and outputs the Java-compatible string expression. Saved me tons of time converting huge regex strings myself. Note that not all …
Escaping special characters in Java Regular Expressions
May 19, 2012 · 46 Is there any method in Java or any open source library for escaping (not quoting) a special character (meta-character), in order to use it as a regular expression? This …
regex - How to escape text for regular expression in Java ... - Stack ...
Sep 12, 2008 · 363 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 …
Java Regular Expressions to Validate phone numbers
In the following code I am trying to get the output to be the different formatting of phone numbers and if it is either valid or not. I figured everything out but the Java Regular Expression code o...
Whitespace Matching Regex - Java - Stack Overflow
127 The Java API for regular expressions states that \s will match whitespace. So the regex \\s\\s should match two spaces.