Regular Expression
A regular expression is a text pattern using particular
wildcard characters
in a regular way.
Regular expressions are used in "Find and Replace", if the "Regular Expressions" option is enabled. Regular Expressions allow to search for text with similar structures.
For example, the regular expression "\<.*ed\>" finds (or matches) any word that ends with "ed". Here we use three different wildcard characters "\<" representing the beginning of a word, ".*" representing any number of characters or numbers, "\>" representing the end of a word.
Using Regular Expressions
The following screencasts demonstrate how to use regular expressions:
Available Regular Expressions
For a list of all available regular expressions, see Find text using wildcard characters (or regular expressions).
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