Setting Case Sensitivity in a Regular Expression : Pattern « Regular Expressions « Java

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Java » Regular Expressions » Pattern Screenshots  Setting Case Sensitivity in a Regular Expression   import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main {   public static void main(String[] argv) throws Exception {     CharSequence inputStr = "Abc";     String patternStr = "abc";     // Compile with case-insensitivity     Pattern pattern = Pattern.compile(patternStr, Pattern.CASE_INSENSITIVE);     Matcher matcher = pattern.matcher(inputStr);     boolean matchFound = matcher.matches();      // Use an inline modifier     matchFound = pattern.matches("abc", "aBc");      matchFound = pattern.matches("(?i)abc", "aBc");      matchFound = pattern.matches("a(?i)bc", "aBc");    } }        Related examples in the same category 1.  Simple Pattern 2.  Pattern Match 3.  Pattern Split 4.  Another pattern split 5.  Reg Exp Example 6.  PatternConvenience -- demonstrate java.util.regex.Pattern convenience routine 7.  Simple example of using Regular Expressions functionality in String class 8.  Show use of Pattern.CANON_EQ 9.  A block of text to use as input to the regular expression matcher 10.  Allows you to easily try out regular expressions 11.  Regular expressions: start End 12.  Pattern: Resetting 13.  Pattern: flags 14.  Use enclosing form 15.  Use a character set 16.  Adding Comments to a Regular Expression 17.  The inline modifier can also contain pattern characters using the form (?x:abc) 18.  Use an inline modifier: (?x)a [\\ ] b 19.  Use an inline modifier: x)a \\s b 20.  Use an inline modifier: a (?x: b) 21.  Tabs and newlines in the pattern are ignored as well 22.  Compiling a Pattern with Multiple Flags 23.  Matching Across Line Boundaries in a Regular Expression 24.  Match Duplicate Words 25.  Validation Test With Pattern And Matcher 26.  Match one or more 27.  Matcher.reset: restart 28.  Matcher.reset(CharSequence) 29.  Matcher.start(): Find the starting point 30.  Matcher.start(int) Example 31.  Matcher.end(): find the end point 32.  Find the end point of the second 'test' 33.  Using the find() Method from Matcher 34.  Using the find(int) Method 35.  Using the lookingAt Method 36.  Possessive Qualifier Example 37.  Simple Positive Lookahead 38.  Finding Every Occurrence of the Letter A 39.  Simple Negative Lookahead 40.  Simple Positive Lookbehind 41.  Regular expression search program 42.  Find all matches 43.  Implement a pattern matcher for regular expressions 44.  Regular expression and CharSequence 45.  Regular Expression search and replace program 46.  Pattern helper