Regular-Expressions.info regex-exclude-word regex-exclude-pattern Feedback Previous: How do I debug a regular expression?Next: How do I optimize regular expressions? On this page(1, T) Syntax Examples Example 1: Match a string that contains a specified keyword Example 2: Match a mobile phone...
Here'san interesting regex problem: I seem to have stumbled upon a puzzle that evidently is not new, but for which no (simple) solution has yet been found. I am trying to find a way to exclude an entire word from a regular expression search. The regular expression should find and return...
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Compile the regular expression to an assembly. For more information, see Compiled Regular Expressions. IgnorePatternWhitespace x Exclude unescaped white space from the pattern, and enable comments after a number sign (#). For more information, see Ignore Whitespace. RightToLeft Not available Change th...
The following configuration includes all URLs that contain the word “blog” and exclude URLs containing the word “product.” This instructs our bot to crawl: https://ahrefs.com/blog https://ahrefs.com/blog/seo-techniques/ https://ahrefs.com/academy/blogging-for-busines ...
For basic regular expressions the pattern is matched to the exact recognition results. For example, to find the exact string "123", the regular expression pattern is "123". If the masking pattern includes special characters (asterisk, plus, question mark, period, square or curly brackets, bar...
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would contain hedge if the expression matched the word hedgehog , and nothing if the expression matched only hog . Here’s another example: a search for will match a plain HTML tag; the name of that image, which lies between those parentheses, will now be the contents of 1. Say...
Example: To match the word “hello” in a text, you can use the regular expression pattern “hello”. Character Classes Character classes in regular expressions allow you to define a set of characters that can match a single character in the given text. They are enclosed within [ ] square...
The search expression l? actually means find anything, even if it has no l (l 0 or 1 times), so would match on both strings. We had been looking for a method to find a single l and exclude ll which, without lookahead (a relatively new extension to regular expressions pioneered by ...