VBScript Reference Manual for InduSoft Web Studio

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VBScript Reference Manual InduSoft Web Studio Position Matching Symbol Function \ Marks the next character as either a special character or a literal. For example, "n" matches the character "n". "\n" matches a newline character. The sequence "\\" matches "\" and "$" matches "(". ^ Matches the beginning of input. $ Matches the end of input. \b Matches a word boundary, that is, the position between a word and a space. For example, "er\b" matches the "er" in "never" but not the "er" in "verb". \B Matches a non-word boundary. "ea*r\B" matches the "ear" in "never early". Literals Symbol Function AlphaNum Matches alphabetical and numerical characters literally. \n Matches a newline character. \f Matches a form-feed character. \r Matches a carriage return character. \t Matches a tab character. \v Matches a vertical tab character. \? Matches ? \* Matches * \+ Matches + \. Matches . \| Matches | \{ Matches { \} Matches } \\ Matches \ \[ Matches [ \] Matches ] \( Matches ( $ Matches ) \n Matches n, where n is an octal escape value. Octal escape values must be 1, 2, or 3 digits long. For example, "\11" and "\011" both match a tab character. "\0011" is the equivalent of "\001" & "1". Octal escape values must not exceed 256. If they do, only the first two digits comprise the expression. Allows ASCII codes to be used in regular expressions. \xn Matches n, where n is a hexadecimal escape value. Hexadecimal escape values must be exactly two digits long. For example, "\x41" matches "A". "\x041" is equivalent to "\x04" & "1". Allows ASCII codes to be used in regular expressions. 206 InduSoft, Ltd.
InduSoft Web Studio VBScript Reference Manual Character Classes Symbol Function [xyz] Match any one character enclosed in the character set. "[abc]" matches "a" in "plain". [a-z] Match any one character in the specified range. For example, "[a-z]" matches any lowercase alphabetic character in the range "a" through "z". "[a-e]" matches "b" in "basketball". [^xyz] Match any one character not enclosed in the character set. "[^a-e]" matches "s" in "basketball". [^m-z] Matches any character not in the specified range. For example, "[m-z]" matches any character not in the range "m" through "z". . Match any single character except \n (newline). \w Match any word character including underscore. Equivalent to [a-zA-Z_0- 9]. \W Match any non-word character. Equivalent to [^a-zA-Z_0-9]. \d Match any digit. Equivalent to [0-9]. \D Match any non-digit. Equivalent to [^0-9]. \s Match any space character (e.g. space, tab, form-feed, etc). Equivalent to [ \t\r\n\v\f]. \S Match any non-space character. Equivalent to [^ \t\r\n\v\f]. Repetition Symbol Function {n} Match exactly n occurrences of a regular expression. n must be a nonnegative integer. "\d{5}" matches 5 digits. For example, "o{2}" does not match the "o" in "Bob," but matches the first two o's in "foooood". (n,} Match n or more occurrences of a regular expression. n must be a nonnegative integer. "\s{2,}" matches at least 2 space characters. For example, "o{2,}" does not match the "o" in "Bob" and matches all the o's in "foooood." "o{1,}" is equivalent to "o+". "o{0,}" is equivalent to "o*" {n,m} Matches n to m number of occurrences of a regular expression. n and m must be non-negative integers. "\d{2,3}" matches at least 2 but no more than 3 digits. For example, "o{1,3}" matches the first three o's in "fooooood." "o{0,1}" is equivalent to "o?". ? Match zero or one occurrences. Equivalent to {0,1}. "a\s?b" matches "ab" or "a b" "a?ve?" matches the "ve" in "never" * Match zero or more occurrences. Equivalent to {0,}. + Match one or more occurrences. Equivalent to {1,}. \num Matches num, where num is a positive integer. A reference back to remembered matches. For example, "(.)\1" matches two consecutive identical characters. InduSoft, Ltd. 207
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VBScript Reference Manual for InduSoft Web Studio

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