在第一规则OneOrMore作用是,使用贪婪匹配会匹配所有字符串直到数字4,留下最后的数字2满足第二规则OneOrMore(.digit),并被捕获为结果。所以输出结果为2。 如果改变第一规则为懒惰匹配: letregex=Regex{OneOrMore(.any,.reluctant)Capture(OneOrMore(.digit))}letline="hello world 99 ---> 42"ifletmatch=lin...
\d+ Match one or more decimal digits. \.? Match zero or one occurrence of a period (used as a decimal separator character). ((?<=\.)\d+)? If a period is the previous character, match one or more decimal digits. This pattern can be matched either zero or one time. (\d+\.?(...
Match zero or one white-space character. (\p{Sc}\s?)? Match zero or one occurrence of the combination of a currency symbol followed by zero or one white-space character. This is the first capturing group. \d+ Match one or more decimal digits. ...
A REGEX pattern can also contain groups enclosed by parentheses “( )”. Groups can be used to capture parts of the matched text, or to apply quantifiers or modifiers to the whole group. For example, “(ab)+” matches one or more occurrences of “ab”, and “(\d{3})-(\d{4})”...
|Alternation. A|B matches either A or B. *Match zero or more times. Match as many times as possible. +Match one or more times. Match as many times as possible. ?Match zero or one times. Prefer one. {n}Match exactly n times. ...
Match a nonword character. \x{hhhh} Match the character with hex value hhhh. From one to six hex digits may be supplied. \xhh Match the character with two digit hex value hh. \X Match a Grapheme Cluster. \Z Match if the current position is at the end of input, but be...
For more details about startat, see the Remarks section of Match(String, Int32). If no matches are found from the count+1 position in the string, the method returns a one-element array that contains the input string. If one or more matches are found, the first element of the returned...
Group 1 ([a-z0-9_\.-]+) - In this section of the expression, we match one or more lowercase letters between a-z, numbers between 0-9, underscores, periods, and hyphens. The expression is then followed by an @ sign. Group 2 ([\da-z\.-]+) - Next, the domain name must be ...
(?<name>\d+) finds one or more numeric digits and assigns the result to the token indicated by name. 回到顶部 regexpi 和regexp用法类似,大小写不敏感。 回到顶部 regexprep newStr = regexprep(str,expression,replace) Replaces the text in str that matches expression with the text describe...
For instance, [0-5]+ translates to “find one or more digits”, rather than just a single digit in the range from zero to five. After this rather lengthy intro on the VBA RegEx syntax essentials, let’s now turn to the VBA RegEx setup! VBA RegEx function Start by opening the Visual...