16. December: Regex
What’s a Regular Expression (RegEx)? A regular expression, known as RegEx, defines a search pattern for character strings using syntactical rules. A familiar example for the usage of a regular expression describes the search in texts for numbers, characters, special characters or complete terms. The regular expression serves as pattern to find a definite character string within the text. Furthermore, regular expressions are used for validations e.g. to validate email addresses or credit card numbers….
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