cfdocs

reFind

Uses a regular expression (RE) to search a string for a pattern, starting from a specified position. The search is case-sensitive.

It will return numeric if returnsubexpressions is false and a struct of arrays named “len”, “match” and “pos” when returnsubexpressions is true.

reFind(reg_expression, string [, start] [, returnsubexpressions])
returns any

Argument Reference

Name Type Required Default Description Values  
reg_expression string Yes        
string string Yes   A string or a variable that contains one. String in which
to search.
   
start numeric No 1      
returnsubexpressions boolean No NO True: if the regular expression is found, the first array
element contains the length and position, respectively,
of the first match.
If the regular expression contains parentheses that
group subexpressions, each subsequent array element
contains the length and position, respectively, of
the first occurrence of each group.
If the regular expression is not found, the arrays each
contain one element with the value 0.
False: the function returns the position in the string
where the match begins. Default.
   
scope string No one CF2016+ * one: returns the first value that matches the regex.
* all: returns all values that match the regex.
/Users/garethedwards/development/github/cfdocs/docs/functions/refind.md all

Find an integer in a string

This example uses reFind to locate an integer in a string, and returns the position of the integer in the string.

reFind("[0-9]+", "test 123!")

Expected Result: 6