Template:Str mid

{{#ifexpr:({{#if:||1}}=0) or ({{#invoke:String|len|{{ safesubst:#if:1|}}}}=0)|

|{{#if:{{#if:|{{#if:|{{#if:|{{#ifexpr:((-0+1)<>0) and (*<>0)|Error using {{[[{{#switch: 
|#default = Str mid 
| = 
   {{#ifeq:  | 
     | Template:Str mid            
     | Str mid      
   }}

}}|Str mid]]{{#if:||{{{arg}}}}}}}: indexes i= and j= do not match requested substring length {{ safesubst:#if:1|}}}}|}}}}}}|{{#invoke:Error|error|{{#if:|{{#if:|{{#if:|{{#ifexpr:((-0+1)<>0) and (*<>0)|Error using {{[[{{#switch:

|#default = Str mid 
| = 
   {{#ifeq:  | 
     | Template:Str mid            
     | Str mid      
   }}

}}|Str mid]]{{#if:||{{{arg}}}}}}}: indexes i= and j= do not match requested substring length {{ safesubst:#if:1|}}}}|}}}}}}|tag=}}

 |{{#invoke:String|sub

|s= |i={{#ifeq:{{#ifexpr:{{#ifeq:||0|}}<0|yes|no}}|yes|{{#invoke:Math|min}}|{{#if:}||{{#ifexpr:({{#if:|1|0}} and {{#if:|1|0}})|{{#expr:{{#invoke:Math|min}}-+{{#ifexpr:<0|-1|1}}}}|1}}}}}} |j={{#ifeq:{{#ifexpr:{{#ifeq:||0|}}<0|yes|no}}|yes|{{#if:}||{{#ifexpr:({{#if:|1|0}} and {{#if:|1|0}})|{{#expr:{{#invoke:Math|min}}-+{{#ifexpr:<0|-1|1}}}}|1}}}}|{{#invoke:Math|min}}}} |ignore_errors=false |{{#if:{{safesubst:#switch:

|no
|n
|false
|f
|否
|0        = 
|         = 
|¬        = 
|yes
|y
|true
|t
|是
|1        = 
|#default = 

}}|error_category={{safesubst:#switch:

|no
|n
|false
|f
|否
|0        = 
|         = 
|¬        = 
|yes
|y
|true
|t
|是
|1        = 
|#default = 

}}}} |no_category=false}}}}}}{{safesubst:#switch: no

|no
|n
|false
|f
|否
|0        = 
|         = 
|¬        = 
|yes
|y
|true
|t
|是
|1        = _IN:_i2=u_sublen3=u_j4=u_min={{#invoke:Math|min}}_CORE:slen:{{#invoke:String|len|{{ safesubst:#if:1|}}}}_i={{#if:}||{{#ifexpr:({{#if:|1|0}} and {{#if:|1|0}})|{{#expr:{{#invoke:Math|min}}-+{{#ifexpr:<0|-1|1}}}}|1}}}}_j={{#invoke:Math|min}}_inv={{#ifexpr:{{#ifeq:||0|}}<0|yes|no}}_tchk={{#if:{{#if:|{{#if:|{{#if:|{{#ifexpr:((-0+1)<>0) and (*<>0)|Error using {{[[{{#switch: 
|#default = Str mid 
| = 
   {{#ifeq:  | 
     | Template:Str mid            
     | Str mid      
   }}

}}|Str mid]]{{#if:||{{{arg}}}}}}}: indexes i= and j= do not match requested substring length {{ safesubst:#if:1|}}}}|}}}}}}|TCHK|-}}_blankexpr:{{#expr:({{#if:||1}}=0) or ({{#invoke:String|len|{{ safesubst:#if:1|}}}}=0)}}

|#default = _IN:_i2=u_sublen3=u_j4=u_min={{#invoke:Math|min}}_CORE:slen:{{#invoke:String|len|{{ safesubst:#if:1|}}}}_i={{#if:}||{{#ifexpr:({{#if:|1|0}} and {{#if:|1|0}})|{{#expr:{{#invoke:Math|min}}-+{{#ifexpr:<0|-1|1}}}}|1}}}}_j={{#invoke:Math|min}}_inv={{#ifexpr:{{#ifeq:||0|}}<0|yes|no}}_tchk={{#if:{{#if:|{{#if:|{{#if:|{{#ifexpr:((-0+1)<>0) and (*<>0)|Error using {{[[{{#switch: 
|#default = Str mid 
| = 
   {{#ifeq:  | 
     | Template:Str mid            
     | Str mid      
   }}

}}|Str mid]]{{#if:||{{{arg}}}}}}}: indexes i= and j= do not match requested substring length {{ safesubst:#if:1|}}}}|}}}}}}|TCHK|-}}_blankexpr:{{#expr:({{#if:||1}}=0) or ({{#invoke:String|len|{{ safesubst:#if:1|}}}}=0)}} }}

• {{[[{{#switch:

|#default = Str mid 
| = 
   {{#ifeq:  | 
     | Template:Str mid            
     | Str mid      
   }}

}}|Str mid]]{{#if:||{{{arg}}}}}}}

• {{[[{{#switch:

|#default = Str mid/core 
| = 
   {{#ifeq:  | 
     | Template:Str mid/core            
     | Str mid/core      
   }}

}}|Str mid/core]]{{#if:||{{{arg}}}}}}}

• {{[[{{#switch:

|#default = Str mid/testcases 
| = 
   {{#ifeq:  | 
     | Template:Str mid/testcases            
     | Str mid/testcases      
   }}

}}|Str mid/testcases]]{{#if:||{{{arg}}}}}}} {{#invoke:documentation|main|_content={{ {{#invoke:documentation|contentTitle}}}}}}