#REGULAR EXPRESSION NOT GREEDY CODE#
This isĭone to ensure backward compatibility with existing code that uses new Unicode flag, these will cause an invalid identity escape error. Unescaped character equivalents in regular expressions. neither have a special meaning when escaped nor * literally, precede it with a backslash for example, More occurrences of the preceding character should be matched forĮxample, /a*/ means match 0 or more "a"s. For example, "*" is a special character that means 0 or
![regular expression not greedy regular expression not greedy](https://datacadamia.com/_media/regexp/regexp.png)
![regular expression not greedy regular expression not greedy](https://blog.kiprosh.com/content/images/knowbuddy/196/original/Screen_Shot_2017-04-28_at_6_05_02_PM.png)
The next character is not special and should be interpreted By placingĪ backslash in front of "b", that is by using /\b/, theĬharacter becomes special to mean match a word boundary.įor characters that are usually treated specially, indicates that The next character is special and not to be interpreted literally.įor example, /b/ matches the character "b". Indicates that the following character should be treated specially, orįor characters that are usually treated literally, indicates that (Only when the u flag is set.) Matches the character with Matches a UTF-16 code-unit with the value Matches the character with the code hh (two Do not follow this with another digit.Ĭaret notation, where "X" is a letter from A–Z (corresponding to codepoints If you're looking for the word-boundary character For example, /\S\w*/ matches "foo" in "foo bar". Matches a single character other than white space. For example, /\s\w*/ matches " bar" in "foo bar". Matches a single white space character, including space, tab, formįeed, line feed, and other Unicode spaces. Matches any character that is not a word character from the basic Matches any alphanumeric character from the basic Latin alphabet, matches "B" in "B2 is the suite number". Matches any character that is not a digit (Arabic numeral). So to match a pattern across multiple lines, the characterĬlass can be used - it will match any characterĮS2018 added the s "dotAll" flag, which allows the dot to Note that the m multiline flag doesn't change the dotīehavior.
![regular expression not greedy regular expression not greedy](https://cdn.codegym.cc/images/article/24be42d0-019a-4853-95d3-0d808fa1c694/1024.jpeg)
Inside a character class, the dot loses its special meaning and "ay", but not "yes", in "yes make my day". \u2029. For example, /.y/ matches "my" and Matches any single character except line terminators: Character classes distinguish kinds of characters such as, for example, distinguishing between letters and digits.