You'll likely get more accurate responses. Try to give as many examples of what should and should not hit and ideally a regex101 (or other online regex tester site) if possible. it is a great way to understand how the patterns work. Remember to check out the Regex 101 Explanations on the upper left hand side. While users may enter this as 112233445T or 112 233 445T or 112-233-445T I don't know if they might otherwise enter it as 11 22 33 44 5T for example or if they like patterns they might break up something like this in this way 11 22 333 55T.Īfter a lot of research yesterday I ended up coming up with this, but it still has issues which I'll bullet point below: (\d\ *?\-*?)\d()\bĪs I don't fully understand what you are trying to match I do not have any more suggestions. Https?://(This regex matches social security numbers.Thanks for sharing this option. This regex matches email regex matches websites links ending with sites of. or represents an alphanumeric character. \d Backslash and d, matches digits 0 to 9, equivalent to or Conversely, Capital \W will match non-alphnumeric character and not underscore. \w Backslash and w, it is equivalent to, matches alphanumeric character or underscore. \n Backslash and n, represents a line break. For example, “\bwater” finds “watergun” but not “cleanwater” whereas “water\b” finds “cleanwater” but not “watergun”. \b Backslash and b, matches a word boundary. For example, the below regex treats the period as a normal character and it matches a.b only. \ Backslash, turns off the special meaning of the next character. You know the pattern if youre American: three numbers, a hyphen, three numbers, a hyphen, and four. If you want the input to have at least one character. This one checks that the input contains any number of letters, numbers, hyphens and underscores: a-zA-Z0-9. By default, regexes are case-sensitive, a-z only matches lower cases letters. For example, the below regular expression matches the the characher q if the charachter after q is not a digit, it will matches the q in those strings of abdqk, quit, qeig, but not q2kd, sdkq8d. Say you want to find an American phone number in a string. That regex would therefore match any input which starts with a letter, number, underscore or hyphen. ! Exclamation, do not matches the next character or regular expression. For example, the below regular expression matches col,cool,…,cooooooooooool,… + Plus, matches 1 or more characters in fron of the plus. For example, the below regular expression matches cl,col,cool,cool,…,coooooooooool,… * Asterisk, matches 0 or more characters in front of the asterisk. For example, the below regular expression matches apple and apples.
So IOW currently it wont allow for the string to start or end with a period (or any of your other non-letter chars).
? Question mark, matches 1 or 0 character in front of the question mark. okay well the way your regex is currently written, you expect a single unicode letter, followed by 1 or more unicode letters, dots, spaces or hyphens, and then followed by 1 unicode letter. For example, the below regex matches, , and. ( ) Parentheses, groups one or more regular expressions. For example, the below regex matches kam, kbm, kcm, k2m, k3m, k4m and k5m. – Hyphen, used for representing a range of letters or numbers,often used inside a square bracket. For example, the below regex matches bad, bed, bcd, brd, and bod. Square brackets, matches any single character from within the bracketed list. For example, the below regex matches a paragraph or a line ends with bye.
$ Dollar sign, matches a term if the term appears at the end of a paragraph or a line. ^ Carat inside a bracket, for example, the below regex matches any characters but a, b, c, d, e. For example, the below regex matches a paragraph or a line starts with Apple. ^ Carat, matches a term if the term appears at the beginning of a paragraph or a line. For example, the below regex matches shirt, short and any character between sh and rt. Period, matches a single character of any single character, except the end of a line.
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