STRCHR

var := STRCHR [ /Reverse ] [ /Silent ] [ /V ] /- characters string
var := STRCHR [ /Reverse ] [ /Silent] /V /- characters variable

Locates the first occurrence of the character character, or one of the characters in characters in the string string or the variable variable. and returns the index of the first occurrence, or -1, if no occurrence is found.

/Reverse

If option /Reverse is supplied, the string will be searched from right to left; otherwise, it will be searched from left to right.

/Silent

If option /Silent is set, warnings instead of errors will be generated on failure

string

A string of characters to search for.

character

A single character to search for.

variable

Find the first semi-colon in the string stored in the variable variable.

#v := set 'You must be joking ;-)'
#i := strchr /v /- ';' '#v'
// #i == 19