Regular expressions
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Functions for working with regular expressions are described here.
The FindFirstRegExp function finds the first occurrence of the regular expression re in the specified string src. The function returns an array of strings. The first element contains a substring that matches the regular expression, the remaining elements contain values of (...) groups, if they are defined in the regular expression.
The FindRegExp function finds all occurrences of the re regular expression in the specified string src. The function returns an array of arrays. The first element in each array contains a substring that matches the regular expression.
The Match function reports whether the string s contains any match of the regular expression pattern re.
The RegExp function returns the first occurrence of the regular expression re in the specified line src. If no match is found, an empty string is returned.
The FindRegExp function replaces matches of the re regular expression with the replacement string repl. You can specify $i or ${i} in repl* for i-the submatch.