User Tools

Site Tools


en:instr

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
en:instr [2016/08/12 21:10]
admin
en:instr [2020/02/28 10:46] (current)
Line 2: Line 2:
 ==== Format ==== ==== Format ====
 **instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] )\\ **instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] )\\
-**instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] , //start_expr// )\\ +**instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] , [[integerexpressions|start_expression]] )\\ 
-**instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] , //start_expr// , [[booleanexpressions|boolean_expression]])\\+**instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] , [[integerexpressions|start_expression]] , [[booleanexpressions|boolean_expression]])\\
  
 returns [[integerexpressions|integer_expression]] returns [[integerexpressions|integer_expression]]
Line 10: Line 10:
 Check to see if the string [[stringexpressions|needle_string_expression]] is contained in the string [[stringexpressions|haystack_string_expression]].  If it is, then this function will return the index of starting character of the first place where [[stringexpressions|needle_string_expression]] occurs.  Otherwise, this function will return 0. Check to see if the string [[stringexpressions|needle_string_expression]] is contained in the string [[stringexpressions|haystack_string_expression]].  If it is, then this function will return the index of starting character of the first place where [[stringexpressions|needle_string_expression]] occurs.  Otherwise, this function will return 0.
  
-You may optionally specify a starting location for the search to begin //start_expr//.  If the start is 1 or greater the search will begin from the specified character from the start.  If the start is < 0 then the search will begin from the nth character from the end.  The search will ALWAYS look forward.+You may optionally specify a starting location for the search to begin [[integerexpressions|start_expression]].  If the start is 1 or greater the search will begin from the specified character from the start.  If the start is < 0 then the search will begin from the nth character from the end.  The search will ALWAYS look forward.
  
 An optional [[booleanexpressions|boolean_expression]] may be used to specify that the search will treat upper and lower case letters the same. An optional [[booleanexpressions|boolean_expression]] may be used to specify that the search will treat upper and lower case letters the same.
en/instr.txt · Last modified: 2020/02/28 10:46 (external edit)