Regex for string contains

Question

What is the regex for simply checking if a string contains a certain word (e.g. 'Test')? I've done some googling but can't get a straight example of such a regex. This is for a build script but has no bearing to any particular programming language.

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User · Answer

Just don t anchor your pattern    Test    The above regex will check for the literal string  Test  being found somewhere within it

User · Answer

Assuming regular PCRE-style regex flavors   If you want to check for it as a single  full word  it s  bTest b  with appropriate flags for case insensitivity if desired and delimiters for your programming language   b represents a  word boundary   that is  a point between characters where a word can be considered to start or end  For example  since spaces are used to separate words  there will be a word boundary on either side of a space   If you want to check for it as part of the word  it s just Test  again with appropriate flags for case insensitivity  Note that usually  dedicated  substring  methods tend to be faster in this case  because it removes the overhead of parsing the regex

User · Answer

I m a few years late  but why not this    Tt  Ee  Ss  Tt

[regex] Regex for string contains?

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