Usage analysis of preg_replace regular replacement in php [replace multiple values at one time]-PHP Tutorial-php.cn

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Usage analysis of preg_replace regular replacement in php [replace multiple values at one time]

高洛峰

Jan 20, 2017 am 09:49 AM

The example in this article describes the usage of preg_replace regular replacement in php. Share it with everyone for your reference, the details are as follows:

1.php’s preg_replace and str_replace are both default /g, replace them all

2. If you need to use regular expressions, you need to use preg_replace

<?php
$a = "abc defa
bcd ef";
$b= preg_replace("/\t|a/","",$a);
echo($b);
/*
输出：
bc def
bcd ef
*/
?>

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In addition, comparing replace in js, I feel that the syntax of php is not beautiful

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
var a="a b";
console.log(a.replace(/\t/g,""));
</script>
</body>
</html>

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The running effect diagram is as follows:

Usage analysis of preg_replace regular replacement in php [replace multiple values at one time]

I hope this article will help The above will be helpful to everyone in PHP programming.

For more analysis on the usage of preg_replace regular replacement in PHP [replacing multiple values at one time], please pay attention to the PHP Chinese website for related articles!

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