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== replace (gsub) == This function allows one to replace a target string or pattern within another string. To Lua programmers: this function works internally by calling <code>[[mw:Extension:Scribunto/Lua_reference_manual#mw.ustring.gsub|mw.ustring.gsub]]</code>. Usage: : <code><nowiki>{{#invoke:</nowiki>String|replace|''source_str''|''pattern_string''|''replace_string''|''replacement_count''|''plain_flag''}}</code> OR : <code><nowiki>{{#invoke:</nowiki>String|replace|source= ''source_string'' |pattern= ''pattern_string'' |replace= ''replace_string'' |count= ''replacement_count'' |plain= ''plain_flag'' }}</code> Parameters: ; source : The string to search ; pattern : The string or pattern to find within source ; replace : The replacement text ; count : The number of occurrences to replace; defaults to all ; plain : Boolean flag indicating that pattern should be understood as plain text and not as a [[mw:Extension:Scribunto/Lua reference manual#Ustring patterns|Scribunto ustring pattern]] (a unicode-friendly [[w:Lua (programming language)|Lua]]-style [[w:regular expression|regular expression]]); defaults to true Examples: * <code><nowiki>"{{#invoke:String|replace| abc123def456 |123|XYZ}}"</nowiki></code> β "{{#invoke:String|replace| abc123def456 |123|XYZ}}" * <code><nowiki>"{{#invoke:String|replace|source= abc123def456 |pattern= 123 |replace= XYZ }}"</nowiki></code> β "{{#invoke:String|replace|source= abc123def456 |pattern= 123 |replace= XYZ }}" * <code><nowiki>"{{#invoke:String|replace| abc123def456 |%d+|XYZ|1|false}}"</nowiki></code> β "{{#invoke:String|replace| abc123def456 |%d+|XYZ|1|false}}" * <code><nowiki>"{{#invoke:String|replace|source= abc123def456 |pattern= %d+ |replace= XYZ |count=1 |plain= false }}"</nowiki></code> β "{{#invoke:String|replace|source= abc123def456 |pattern= %d+ |replace= XYZ |count=1 |plain= false }}" * <code><nowiki>"{{#invoke:String|replace|source= abc123def456 |pattern= %d+ |replace= XYZ |plain= false }}"</nowiki></code> β "{{#invoke:String|replace|source= abc123def456 |pattern= %d+ |replace= XYZ |plain= false }}" * <code><nowiki>{{#invoke:String|replace|source= 0012001200 |pattern= ^0* |plain= false }}</nowiki></code> β {{#invoke:String|replace|source= 0012001200 |pattern= ^0* |plain= false }}
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