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RegExSub(sExpression, sData, nMatch, nSubExpression) : string sExpression - The regular expression to match sData - The string to search for this regular expression nMatch - The Nth match of your sExpression nSubExpression - The sub expression number to retrieve Regular expressions can contain sub expressions (anything in parenthesis). This function gives you the ability to interrogate the matching sub expression as opposed to the whole matched expression. For example: $data = "I found only 99 dalmatians instead of the expected 101 dalmatians" $regex = "(\d*) dalmatians" Expression Result RegExCount($regex,$data) 2 RegExData($regex,$data,1) 99 dalmatians RegexData($regex,$data,2) 101 dalmatians RegExSub($regex,$data,1,1) 99 RegExSub($regex,$data,2,1) 101 Alpha List Category List |
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