analysis.yaml

analyzer:
    casesensitive:
        type: custom
        tokenizer: standard
        filter: [standard, stop]

documents.yaml

title: Metastatic Lung Cancer
tags: 
    - MET
    - Lung
    - HGF
---
title: "Colorectal kras c.12345G>T"
tags: 
    - PTEN Loss
    - colorectal
    - KRAS
---
title: Colorectal Kras
tags: 
    - colorectal
    - "KRAS c.12345G>T"

mappings.yaml

test:
    properties: 
        title: 
            type: multi_field
            fields:
                title:
                    type: string
                title.cased:
                    type: string
                    analyzer: casesensitive
        tags: 
            type: multi_field
            fields: 
                tags:
                    type: string
                tags.cased:
                    type: string
                    analyzer: casesensitive

play.sh

#!/bin/bash

export ELASTICSEARCH_ENDPOINT="http://localhost:9200"

# Create indexes

curl -XPUT "$ELASTICSEARCH_ENDPOINT/play" -d '{
    "settings": {
        "analysis": {
            "analyzer": {
                "casesensitive": {
                    "type": "custom",
                    "tokenizer": "standard",
                    "filter": [
                        "standard",
                        "stop"
                    ]
                }
            }
        }
    },
    "mappings": {
        "test": {
            "properties": {
                "title": {
                    "type": "multi_field",
                    "fields": {
                        "title": {
                            "type": "string"
                        },
                        "title.cased": {
                            "type": "string",
                            "analyzer": "casesensitive"
                        }
                    }
                },
                "tags": {
                    "type": "multi_field",
                    "fields": {
                        "tags": {
                            "type": "string"
                        },
                        "tags.cased": {
                            "type": "string",
                            "analyzer": "casesensitive"
                        }
                    }
                }
            }
        }
    }
}'


# Index documents
curl -XPOST "$ELASTICSEARCH_ENDPOINT/_bulk?refresh=true" -d '
{"index":{"_index":"play","_type":"type"}}
{"title":"Metastatic Lung Cancer","tags":["MET","Lung","HGF"]}
{"index":{"_index":"play","_type":"type"}}
{"title":"Colorectal kras c.12345G>T","tags":["PTEN Loss","colorectal","KRAS"]}
{"index":{"_index":"play","_type":"type"}}
{"title":"Colorectal Kras","tags":["colorectal","KRAS c.12345G>T"]}
'

# Do searches

curl -XPOST "$ELASTICSEARCH_ENDPOINT/_search?pretty" -d '
{
    "filter": {
        "query": {
            "multi_match": {
                "fields": [
                    "title",
                    "tags"
                ],
                "query": "met",
                "type": "phrase",
                "analyzer": "casesensitive"
            }
        }
    }
}
'

curl -XPOST "$ELASTICSEARCH_ENDPOINT/_search?pretty" -d '
{
    "filter": {
        "query": {
            "multi_match": {
                "fields": [
                    "title",
                    "tags"
                ],
                "query": "MET",
                "type": "phrase",
                "analyzer": "casesensitive"
            }
        }
    }
}
'

curl -XPOST "$ELASTICSEARCH_ENDPOINT/_search?pretty" -d '
{
    "filter": {
        "query": {
            "multi_match": {
                "fields": [
                    "title.cased",
                    "tags.cased"
                ],
                "query": "met",
                "type": "phrase",
                "analyzer": "casesensitive"
            }
        }
    }
}
'

play.yaml

# Auto generated by Found's Play-tool at 2013-12-09T12:15:50+01:00
version: 0
title: "Multi-match case sensitive analyzer"
description: ""

searches.yaml

filter:
    query:
        multi_match:
            fields: [title, tags]
            query: met
            type: phrase
            analyzer: casesensitive
---
filter:
    query:
        multi_match:
            fields: [title, tags]
            query: MET
            type: phrase
            analyzer: casesensitive
---
filter:
    query:
        multi_match:
            fields: [title.cased, tags.cased]
            query: met
            type: phrase
            analyzer: casesensitive