I have to validate for a Laser Credit card. The card starts with either 6304, 6706, 6709, 6771 and is 16 or 19 digits in length. I have a preg_match and I am passing in the card number starting with 6
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I am trying to 开发者_如何学JAVAget this Regex to work to validate a Name field to only allow A-Z, \' and -.
Suppose I have a string like this \"EUR 5,开发者_运维问答00 paid by Robert. EUR 500,00 Paid By Alberto Del Rio.\". I want to extract the output like this using regular expression.
I am trying to retrieve the three digit number aft开发者_JAVA技巧er this word and semi colon. REF: 222
I have the following code: $pattern = \'(([a-z]{2})/)?(([a-z]{3,})/)?(\\d{4}+)(/(\\d{2})(/(\\d{2}))?)?\';
In PHP using preg_match I want to match one of many multicharacter strings (e.g. \"date\", \"after\" and \"latest\") (followed by some more match, which are saved e.g. ([0-9]+) and the like ).
I have a question in PHP: When using preg_match开发者_开发知识库, why #^(([a-z]{2})/)?(([a-z\\-]{3,})/(([a-z\\-]{3,}))?)?$#i match ab/cde/fgh and do not match ab/cde?
I w开发者_JS百科ould like to ask you how to modify that regex: \"/\\b([A-Z]{2,}[0-9][0-9A-Z-\\/]*)/is\"
I don\'t know regex, so please help. For the following code: $req_user = trim($_GET[\'user\']); if(!preg_match(\"^([0开发者_JAVA百科-9a-z])+$\", $req_user)){
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