expression
PHP regular expression preg_replace
I have some text with css style (taken from database, so when I use echo, css show up) and I want to use preg_replace to replace that css (for example with space). I tried to do something like that:[详细]
2023-03-30 04:47 分类：问答Expressions vs Lambdas
I know what a Lambda Expression is. But I am not sure if that is the same thing as an Expr开发者_StackOverflow社区ession.There seems to be more to know here than I know.[详细]
2023-03-30 01:20 分类：问答Sequentially Combining Three Lists Created with Regular Expressions - Python
I have a text file I am reading with three regular expressions. I\'d like to combine each item from each regex search line by line and print them out using the same format as the last line below. I ju[详细]
2023-03-29 15:26 分类：问答Conditional expression algebra in C#
I am working on a small part of a matching system that uses boolean conditional expressions. These conditional expressions are contrained to a single variable and a single operator (with an edge case[详细]
2023-03-28 22:39 分类：问答Can I make a regular expression negative lookbehind assertion apply to the whole expression?
I\'m using Python re to try to make a regular expression which finds all camel cased words not starting with an exclamation point (!).[详细]
2023-03-27 18:35 分类：问答How to calculate expression using sympy in python
I need a calcula开发者_JS百科te below expression using sympy in python? exp = \'(a+b)*40-(c-a)/0.5\'[详细]
2023-03-27 14:09 分类：问答dispatching S4 methods with an expression as argument
I\'m trying to convince an S4 method to use an expression as an argument, but I always get an error returned. A trivial example that illustrates a bit what I\'m trying to do here :[详细]
2023-03-27 09:02 分类：问答Can program be used to simplify algebraic expressions?
We know 1+2+...+n is equal to n(n+1)/2. But can we get the same result programatically if we don\'t know it in 开发者_C百科advance?[详细]
2023-03-27 03:38 分类：问答Price Field Regular Expression Without Prefixed 0 for Cents
I\'m using the following regular expression to validate a price field: (\\d{1,3}(\\,\\d{3})*|(\\d+))(\\.\\d{2开发者_JAVA百科})?$[详细]
2023-03-27 02:38 分类：问答new line expression in XML
I create an XML in PHP Zend framework using DOM Class. To put a new line in XML element textnode an expression <<BR>> is passed. But when I pass a string with <<BR>&am[详细]
2023-03-26 19:15 分类：问答
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