Hai cercato la traduzione di expression da Coreano a Spagnolo

"~" /* regular expression matching */
la consulta permite seleccionar elementos de la lista de objetos dada.

예 1. regular expression examples
inicio

the special regular expression characters are:
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pcre provides some extensions to the perl regular expression facilities:
por ejemplo, si quieres casar un carácter "*", debes escribir "\*" en el patrón.

searches a string for matches to the regular expression given in pattern.
busca en string las coincidencias con la expresión regular pattern.

searches subject for all matches to the regular expression given in pattern and puts them in matches in the order specified by flags.
busca en subject todos los emparejamientos de la expresión pattern y los pone en matches de la forma indicada por order.

mb_ereg_match() returns true if string matches regular expression pattern, false if not.
quedas avisado, y utilizar este módulo es tu responsabiliad.

there is one more expression that may seem odd if you haven't seen it in other languages, the ternary conditional operator:
además de ser más corto y claro, también resulta en una ejecución más rápida.

the elseif statement is only executed if the preceding if expression and any preceding elseif expressions evaluated to false, and the current elseif expression evaluated to true.
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another good example of expression orientation is pre- and post-increment and decrement. users of php/fi 2 and many other languages may be familiar with the notation of variable++ and variable--. these are increment and decrement operators. in php/fi 2, the statement '$a++' has no value (is not an expression), and thus you can't assign it or use it in any way. php enhances the increment/decrement capabilities by making these expressions as well, like in c. in php, like in c, there are two types of increment - pre-increment and post-increment. both pre-increment and post-increment essentially increment the variable, and the effect on the variable is idential. the difference is with the value of the increment expression. pre-increment, which is written '++$variable', evaluates to the incremented value (php increments the variable before reading its value, thus the name 'pre-increment'). post-increment, which is written '$variable++' evaluates to the original value of $variable, before it was incremented (php increments the variable after reading its value, thus the name 'post-increment').
php mejora las características del incremento / decremento haciéndolos también expresiones, como en c.