C# regex also known as C# regular expression or C# regexp is a sequence of characters that defines a pattern . A pattern may consist of literals, numbers, characters, operators, or constructs. The pattern is used to search strings or files to see if matches are found.
Read moreWhat is RegexOptions IgnoreCase?
The RegexOptions enum is a Regex argument. This example shows how RegexOptions. IgnoreCase affects the result of the IsMatch method on an input that is in a different case . Note When IgnoreCase is specified, the match succeeds. Otherwise it fails.
Read moreIs regex case sensitive C#?
The regular expression pattern is matched in the input string from left to right. Comparisons are case-sensitive . The ^ and $ language elements match the beginning and end of the input string. The end of the input string can be a trailing newline \n character.
Read moreHow do you make a case insensitive in regex?
If you want only part of the regex to be case insensitive (as my original answer presumed), then you have two options:
Read moreHow do I make my character not case sensitive?
you can use Character. toLowerCase or Character. toUpperCase to make all to lower case or upper case and compare it.
Read moreHow do I make something optional in regex?
Optional Items
Read moreIs regex case sensitive?
By default, the comparison of an input string with any literal characters in a regular expression pattern is case sensitive , white space in a regular expression pattern is interpreted as literal white-space characters, and capturing groups in a regular expression are named implicitly as well as explicitly.
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