How do you match a word exactly in regular expression?

How do you match a word exactly in regular expression?

These are usually used to detect the beginning and the end of a line. However this may be the correct way in this case. But if you wish to match an exact word the more elegant way is to use ‘\b’. In this case following pattern will match the exact phrase’123456′.

How do I find a specific string in regex?

With RegEx you can use pattern matching to search for particular strings of characters rather than constructing multiple, literal search queries….Thus, if you are searching for varying strings that all begin with NLRT, such as:

  1. NLRT-0381.
  2. NLRT-6334.
  3. NLRT-9167.
  4. The proper Relativity RegEx is: “##nlrt-\d{4}”.

How do I match an exact string in Perl?

  1. use \A and \z , not ^ and $ , or you will match other strings too (e.g. “yes\n” ) – ysth Feb 5 ’13 at 4:32.
  2. @ysth, this is matching on a single line from STDIN . Multi-line input will not occur. – user1919238 Feb 5 ’13 at 10:54.

How do I match an exact pattern in Python?

You can use the simple Python membership operator. You can use a default regex with no special metacharacters. You can use the word boundary metacharacter ‘\b’ to match only whole words. You can match case-insensitive by using the flags argument re.

How do I match a pattern in Perl?

m operator in Perl is used to match a pattern within the given text. The string passed to m operator can be enclosed within any character which will be used as a delimiter to regular expressions.

Is there a way to match the exact word in a string?

The method returns true if the exact word is found in the string. But it will return false if the word is occurring as substring. It worked in my case. Hope it helps.

How to match a phrase with a regex?

Assume: Go for a hike Go for a hike, on a mountain. I want to go for a hike. Where I want to match only “Go for a hike” but no phrase that contains it. You haven’t mentioned what language you’re working in, so the exact form of the pattern might have to change. Thanks for contributing an answer to Stack Overflow!

Which is the correct pattern to match a string?

These are usually used to detect the beginning and the end of a line. However this may be the correct way in this case. But if you wish to match an exact word the more elegant way is to use ‘\\b’. In this case following pattern will match the exact phrase’123456′.

How to find the exact word using regex in Java?

This statement consists of three groups, which are indexed from 0. So if you need to find some specific word, you may use two methods in Matcher class such as: find () to find statement specified by regex, and then get a String object specified by its group number: