Regardless of the byte-length of the corresponding binary representation of that character. A single Unicode character always counts as one character (i.e. with (.|\n) in the pattern argument, or use the s parameter in the parameters argument (describedĪll the regular expression functions support Unicode. To also match newline characters, either replace. (in the pattern) does not include newline characters \n (in the subject) as matches. Pairs of dollar signs ($$) (rather than single quotes).īy default, the POSIX wildcard character.
You do not need to escape backslashes if you are delimiting the string with Specifying Regular Expressions in Single-Quoted String Constants (in this topic). In single-quoted string constants, you must escape the backslash character in
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