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The closeness of a match is measured in terms of the number of primitive operations necessary to convert the string into an exact match. This number is called the edit distance between the string and the pattern. The usual primitive operations are: [1] insertion: cot → coat; deletion: coat → cot
A regular expression (shortened as regex or regexp), [1] sometimes referred to as rational expression, [2] [3] is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings , or for input validation .
FPGA accelerated >100 Gbit/s regex engine for cybersecurity, financial, e-commerce industries. Hyperscan Intel: C, x86-specific assembly (SSSE3+ [1]) 3-clause BSD Rspamd: ICU: International Components for Unicode: C, C++ [Note 4] ICU: Foundation (Apple and Swift open-source versions) Jakarta Regexp The Apache Jakarta Project: Java Apache java ...
• Fake email addresses - Malicious actors sometimes send from email addresses made to look like an official email address but in fact is missing a letter(s), misspelled, replaces a letter with a lookalike number (e.g. “O” and “0”), or originates from free email services that would not be used for official communications.
Wrong number scams — in which con artists send out huge batches of eye-grabbing but innocuous texts — have become the introduction du jour for scammers looking for people to bilk for money ...
Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.
A JavaScript function can check to see if a phone number is a valid format, i.e., is numeric, starts with a valid set of numbers ("0" for local, or an international dialing prefix followed by a valid country code) and is not too short to be a phone number. At first a JavaScript function is used to clear out any spacer characters.
Phone scams are on the rise as scammers see opportunity thanks to many Americans getting stimulus checks, an increase in concern about COVID vaccine distribution and soon, the annual tax season.