Search results for: "Negative Lookbehind"

How can Negative Lookbehind and Negative Lookahead assertions be used in PHP regex?

Negative Lookbehind and Negative Lookahead assertions can be used in PHP regex to match patterns that are not preceded or followed by certain characte...

How can negative lookahead or negative lookbehind be used in PHP to search for specific patterns within a string?

Negative lookahead or negative lookbehind in PHP can be used to search for specific patterns within a string without including them in the match. This...

What is the purpose of using negative lookbehind in a regex pattern in PHP?

Negative lookbehind in a regex pattern in PHP is used to match a pattern only if it is not preceded by another specific pattern. This can be useful wh...

What is the difference between a lookahead and lookbehind assertion in regular expressions, and how are they used in PHP?

Lookahead and lookbehind assertions are used in regular expressions to match patterns that are followed by or preceded by another pattern, without inc...

How can lookbehind-assertion be used in PHP regular expressions?

Lookbehind assertion in PHP regular expressions allows you to match a pattern only if it is preceded by another pattern. This can be useful when you w...