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en:instr [2016/08/12 20:09]
admin
en:instr [2016/08/12 20:10]
admin
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 ===== Instr (Function) ===== ===== Instr (Function) =====
 ==== Format ==== ==== Format ====
-**instr** ( [[stringexpressions|haystack_string_expression]] , //​needle_expr// ​)\\ +**instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] ​)\\ 
-**instr** ( [[stringexpressions|haystack_string_expression]] , //​needle_expr// ​, //​start_expr//​ )\\ +**instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] ​, //​start_expr//​ )\\ 
-**instr** ( [[stringexpressions|haystack_string_expression]] , //​needle_expr// ​, //​start_expr//​ , [[booleanexpressions|boolean_expression]])\\+**instr** ( [[stringexpressions|haystack_string_expression]] , [[stringexpressions|needle_string_expression]] ​, //​start_expr//​ , [[booleanexpressions|boolean_expression]])\\
  
 returns [[integerexpressions|integer_expression]] returns [[integerexpressions|integer_expression]]
  
 ==== Description ==== ==== Description ====
-Check to see if the string ​//​needle_expr// ​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 //​needle_expr// ​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 //​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.
en/instr.txt · Last modified: 2016/08/13 07:59 by admin