How to find the occurrence of particular character in string - CHARINDEX
Posted
by Vipin
on Geeks with Blogs
See other posts from Geeks with Blogs
or by Vipin
Published on Tue, 23 Mar 2010 14:48:33 GMT
Indexed on
2010/03/23
16:03 UTC
Read the original article
Hit count: 272
Many times while writing SQL, we need to find if particular character is present in the column data. SQL server possesses an in-built function to do this job - CHARINDEX(character_to_search, string, [starting_position]) Returns the position of the first occurrence of the character in the string. NOTE - index starts with 1. So, if character is at the starting position, this function would return 1. Returns 0 if character is not found. Returns 0 if 'string' is empty. Returns NULL if string is NULL. A working example of the function is SELECT CHARINDEX('a', fname) a_First_occurence, CHARINDEX('a', fname, CHARINDEX('a', fname)) a_Second_occurrence FROM Users WHERE fname = 'aka unknown' OUTPUT -------
a_First_occurence
a_Second_occurrence
1
3
© Geeks with Blogs or respective owner
