What is the difference between ereg and preg match

SAP Expand child menu Expand. Web Expand child menu Expand. Must Learn Expand child menu Expand. Big Data Expand child menu Expand. Live Project Expand child menu Expand. There are functions to do it, and you have to use them. You cannot rely or there is no reason to do it on custom made functions using regular expressions. That way you can have a simple function that checks to see if the matched tag was an a tag, and if so, not replace the href, but otherwise replace everything.

Note that even in your? What you may use is a POSIX character class [:space:] matching any whitespace inside a negated bracket expression:. PHP ereg vs. Next CSS outline-style Property. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment? Please use ide. Load Comments. What's New. The only issue I ran into, for my needs, were that the anchors would not keep their links. I search for a little while and could not find anything to strip the links from the tags so I generated my own little snippet.

I am posting it here in hopes that others may find it useful and for later reference. A note to keep in mind: I was primarily concerned with valid HTML so if attributes do no use ' or " to contain the values then this will need to be tweaked.

If you can edit this to work better, please let me know. Test 2: PHP. Test 3: php. Had to break up the regex and had to break the test links since it was being flagged as spam After the breaking change in 7.

This is a function that uses regular expressions to match against the various VAT formats required across the EU. You can use the following code to detect non-latin Cyrilic, Arabic, Greek When trying to match accented characters, such as those found in Spanish, there seems to be a different internal interpretation when using character classes.

So the best way is to add the u option for unicode after the delimiters. I made it to help me, because I like to try different things, to get a good understanding of how things work. I recently encountered a problem trying to capture multiple instances of named subpatterns from filenames. Therefore, I came up with this function. The function allows you to pass through flags in this version it applies to all expressions tested , and generates an array of search results. Just a warning regarding the conversion, the two functions behave very similarly, but not exactly alike.