Indicates whether the regular expression specified in the Regex constructor finds a match in a specified input string. Indicates whether the regular expression specified in the Regex constructor finds a match in the specified input string, beginning at the specified starting position in the string. Indicates whether the specified regular expression finds a match in the specified input string, using the specified matching options. Indicates whether the specified regular expression finds a match in the specified input string, using the specified matching options and time-out interval. The following example illustrates the use of the IsMatch String method to determine whether a string is a valid part number.
How to get date and time from a string using regx?
Searches subject for all matches to the regular expression given in pattern and puts them in matches in the order specified by flags. After the first match is found, the subsequent searches are continued on from end of the last match. Array of all matches in multi-dimensional array ordered according to flags. If this flag is passed, for every occurring match the appendant string offset in bytes will also be returned.
The anchors make sure the entire variable is a date, and not a piece of text containing a date. I used alternation to allow the first two digits to be 19 or The parentheses are mandatory. Had I omitted them, the regex engine would go looking for 19 or the remainder of the regular expression, which matches a date between and Parentheses are the only way to stop the vertical bar from splitting up the entire regular expression into two options.
Join Stack Overflow to learn, share knowledge, and build your career. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. My application must work well on both Windows and Linux. I am going to use std::tr1 for Windows version and regex regex.