Regular expression - Wikipedia
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An introduction to regular expressions – O'Reilly
How-To: #Java #Regex – Matcher #Pattern (java.util.regex.Matcher) Complete #Tutorial http://crunchify… | Regular expression, Java programming tutorials, Expressions
Parse text Java regex match before whitespace, and numbers after whitespace to generate CSV - Stack Overflow
Regular Expressions in Java - GeeksforGeeks
Regex (Regular Expressions) Demystified | by Munish Goyal | The Startup | Medium
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10 Regular Expressions Every Java Programmer Should Learn | Java67
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Java Regex | Regular Expression - javatpoint
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Regular Expressions in Java
Java Program to Check For a Valid Mobile Number - GeeksforGeeks
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Regular Expression in Java - Java Regex Example | DigitalOcean
Metacharacters in Java Regex - GeeksforGeeks
