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Read moreHow do you make a case sensitive in regex?
In Java, by default, the regular expression (regex) matching is case sensitive. To enable the regex case insensitive matching, add (?) prefix or enable the case insensitive flag directly in the Pattern .
Read moreDoes capitalization matter regex?
Using character sets For example, the regular expression “[ A-Za-z] ” specifies to match any single uppercase or lowercase letter . In the character set, a hyphen indicates a range of characters, for example [A-Z] will match any one capital letter.
Read moreIs regex case sensitive?
By default, the comparison of an input string with any literal characters in a regular expression pattern is case sensitive , white space in a regular expression pattern is interpreted as literal white-space characters, and capturing groups in a regular expression are named implicitly as well as explicitly.
Read moreWhat is the difference between Replace and replaceAll in Java?
The difference between replace() and replaceAll() method is that the replace() method replaces all the occurrences of old char with new char while replaceAll() method replaces all the occurrences of old string with the new string .
Read moreIs replaceAll a regex?
The replaceAll() method replaces each substring of this string (the String on which it is called) that matches the given regular expression with the given replacement. It internally uses classes like Pattern and Matcher from java. util. regex package for searching and replacing matching characters or substring.
Read moreHow do I make .equals not case-sensitive?
The best way is to use str. equalsIgnoreCase(“foo”) . It’s optimized specifically for this purpose. You can also convert both strings to upper- or lowercase before comparing them with equals .
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