Searches for a text value based on a regular expression. This block outputs a true value if any matches are found, an integer for the total number of matches, and a text list of all matches. A regular expression (regex for short) is a special text string for describing a search pattern.
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Searches for a text value based on a regular expression. This block outputs a true value if any matches are found, an integer for the total number of matches, and a text list of all matches. A regular expression (regex for short) is a special text string for describing a search pattern.
Example
regular expression blocks
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