1/10/2023 0 Comments Regex not characterRestrict your beneficiary ID to a specific format e.g. Matches between x and y consecutive characters.įor all text type questions that use numbers, do not forget to type numbers under the appearance column. Matches at least x consecutive characters (or more). Matches exactly x consecutive characters. The plus symbol used just behind a character matches one or more consecutive character. it matches wild cards and spaces).Ī question mark used just behind a character matches or skips (if not required) a character match.Īn asterisk symbol used just behind a character matches zero or more consecutive character. Matches anything other than what \w matches (i.e. Matches anything other than numbers (0 to 9). Matches, without consuming any characters immediately between a character matched by \w and a character not matched by \w (in either order). Matches the same character as most recently matched by the n th (number used) capturing group. The grouping character ( ) matches anything that is within the parenthesis.Ī vertical bar matches any element separated.Ī back slash is used to match the literal value of any metacharacter (e.g. Matches any characters except those in the range A to Z. Matches any character from a to z or A to Z or 0 to 9. Matches any uppercase character from A to Z. Matches any lowercase character from a to z. Matches either a, b or c from within the square brackets. The dollar symbol matches the end of a string without consuming any character. The caret symbol matches the start of a string without consuming any character. Regex in KoboToolbox should always be written in-between the apostrophes regex(., ' ') as shown in the examples. In addition to the examples and tips provided below, please visit Regex can also be coded in XLSForm, under the constraint column:Īlternatively, you can create a calculate question type and then define the (Optional) Add a custom Error Message for the person entering data to see Quotation marks ( ' ') needs to conform to the established regex rules. Refers to ‘this question’, while the regular expression inside the In the Validation Code box, enter your regex formula between the quotation Go to Validation Criteria and choose the Manually enter your validation To use a regex in KoboToolbox, follow these steps ¶ controlling the entry of mobile number toĮxactly 10 digits, controlling the entry of a valid email id etc.). KoboToolbox supports regex to control the length and characters during dataĮntry to a particular question (e.g. Validate, search, extract, and restrict text in most programming languages. Restricting Text Responses With Regular Expressions ¶Ī regular expression, or regex, is a search pattern used for matching specificĬharacters and ranges of characters within a string.
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