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OCR: MacSOUP Manual Reqular Expressions Regular expression regex matching is a powerful way to search for strings that match a certain pattern, for 'example any word that consists of only upper rcase letters, or al occurrences of two identical words separated by one or more spaces or countless other patterns The simplest reaular expression is just a string to search for. Aregex such as XvZ S . imply searches for the string "xyz. However, there are couple of char meani ing in reqular express ions These characters are: ()[1 If you want to search for literal occurence of one of these characters bac kslash. For example, you want to search for the string xyz you m expressi .on xyz\? To search for backslasAn erxeept ion to this rule is when the spec ial cha ins. ide range be tween square brackets, se ...